Index: branches/feature-module-update/data/module/Net/SMTP.php
===================================================================
--- branches/feature-module-update/data/module/Net/SMTP.php	(revision 16300)
+++ branches/feature-module-update/data/module/Net/SMTP.php	(revision 16300)
@@ -0,0 +1,1035 @@
+<?php
+/* vim: set expandtab softtabstop=4 tabstop=4 shiftwidth=4: */
+// +----------------------------------------------------------------------+
+// | PHP Version 4                                                        |
+// +----------------------------------------------------------------------+
+// | Copyright (c) 1997-2003 The PHP Group                                |
+// +----------------------------------------------------------------------+
+// | This source file is subject to version 2.02 of the PHP license,      |
+// | that is bundled with this package in the file LICENSE, and is        |
+// | available at through the world-wide-web at                           |
+// | http://www.php.net/license/2_02.txt.                                 |
+// | If you did not receive a copy of the PHP license and are unable to   |
+// | obtain it through the world-wide-web, please send a note to          |
+// | license@php.net so we can mail you a copy immediately.               |
+// +----------------------------------------------------------------------+
+// | Authors: Chuck Hagenbuch <chuck@horde.org>                           |
+// |          Jon Parise <jon@php.net>                                    |
+// |          Damian Alejandro Fernandez Sosa <damlists@cnba.uba.ar>      |
+// +----------------------------------------------------------------------+
+//
+// $Id: SMTP.php,v 1.58 2007/03/28 04:53:34 chagenbu Exp $
+
+$include_dir = realpath(dirname( __FILE__));
+require_once $include_dir . "/../PEAR.php";
+require_once $include_dir . "/../Net/Socket.php";
+
+/**
+ * Provides an implementation of the SMTP protocol using PEAR's
+ * Net_Socket:: class.
+ *
+ * @package Net_SMTP
+ * @author  Chuck Hagenbuch <chuck@horde.org>
+ * @author  Jon Parise <jon@php.net>
+ * @author  Damian Alejandro Fernandez Sosa <damlists@cnba.uba.ar>
+ *
+ * @example basic.php   A basic implementation of the Net_SMTP package.
+ */
+class Net_SMTP
+{
+    /**
+     * The server to connect to.
+     * @var string
+     * @access public
+     */
+    var $host = 'localhost';
+
+    /**
+     * The port to connect to.
+     * @var int
+     * @access public
+     */
+    var $port = 25;
+
+    /**
+     * The value to give when sending EHLO or HELO.
+     * @var string
+     * @access public
+     */
+    var $localhost = 'localhost';
+
+    /**
+     * List of supported authentication methods, in preferential order.
+     * @var array
+     * @access public
+     */
+    var $auth_methods = array('DIGEST-MD5', 'CRAM-MD5', 'LOGIN', 'PLAIN');
+
+    /**
+     * Should debugging output be enabled?
+     * @var boolean
+     * @access private
+     */
+    var $_debug = false;
+
+    /**
+     * The socket resource being used to connect to the SMTP server.
+     * @var resource
+     * @access private
+     */
+    var $_socket = null;
+
+    /**
+     * The most recent server response code.
+     * @var int
+     * @access private
+     */
+    var $_code = -1;
+
+    /**
+     * The most recent server response arguments.
+     * @var array
+     * @access private
+     */
+    var $_arguments = array();
+
+    /**
+     * Stores detected features of the SMTP server.
+     * @var array
+     * @access private
+     */
+    var $_esmtp = array();
+
+    /**
+     * Instantiates a new Net_SMTP object, overriding any defaults
+     * with parameters that are passed in.
+     *
+     * If you have SSL support in PHP, you can connect to a server
+     * over SSL using an 'ssl://' prefix:
+     *
+     *   // 465 is a common smtps port.
+     *   $smtp = new Net_SMTP('ssl://mail.host.com', 465);
+     *   $smtp->connect();
+     *
+     * @param string  $host       The server to connect to.
+     * @param integer $port       The port to connect to.
+     * @param string  $localhost  The value to give when sending EHLO or HELO.
+     *
+     * @access  public
+     * @since   1.0
+     */
+    function Net_SMTP($host = null, $port = null, $localhost = null)
+    {
+        if (isset($host)) $this->host = $host;
+        if (isset($port)) $this->port = $port;
+        if (isset($localhost)) $this->localhost = $localhost;
+
+        $this->_socket = new Net_Socket();
+
+        /*
+         * Include the Auth_SASL package.  If the package is not available,
+         * we disable the authentication methods that depend upon it.
+         */
+        if ((@include_once '../Auth/SASL.php') === false) {
+            $pos = array_search('DIGEST-MD5', $this->auth_methods);
+            unset($this->auth_methods[$pos]);
+            $pos = array_search('CRAM-MD5', $this->auth_methods);
+            unset($this->auth_methods[$pos]);
+        }
+    }
+
+    /**
+     * Set the value of the debugging flag.
+     *
+     * @param   boolean $debug      New value for the debugging flag.
+     *
+     * @access  public
+     * @since   1.1.0
+     */
+    function setDebug($debug)
+    {
+        $this->_debug = $debug;
+    }
+
+    /**
+     * Send the given string of data to the server.
+     *
+     * @param   string  $data       The string of data to send.
+     *
+     * @return  mixed   True on success or a PEAR_Error object on failure.
+     *
+     * @access  private
+     * @since   1.1.0
+     */
+    function _send($data)
+    {
+        if ($this->_debug) {
+            echo "DEBUG: Send: $data\n";
+        }
+
+        if (PEAR::isError($error = $this->_socket->write($data))) {
+            return PEAR::raiseError('Failed to write to socket: ' .
+                                    $error->getMessage());
+        }
+
+        return true;
+    }
+
+    /**
+     * Send a command to the server with an optional string of
+     * arguments.  A carriage return / linefeed (CRLF) sequence will
+     * be appended to each command string before it is sent to the
+     * SMTP server - an error will be thrown if the command string
+     * already contains any newline characters. Use _send() for
+     * commands that must contain newlines.
+     *
+     * @param   string  $command    The SMTP command to send to the server.
+     * @param   string  $args       A string of optional arguments to append
+     *                              to the command.
+     *
+     * @return  mixed   The result of the _send() call.
+     *
+     * @access  private
+     * @since   1.1.0
+     */
+    function _put($command, $args = '')
+    {
+        if (!empty($args)) {
+            $command .= ' ' . $args;
+        }
+
+        if (strcspn($command, "\r\n") !== strlen($command)) {
+            return PEAR::raiseError('Commands cannot contain newlines');
+        }
+
+        return $this->_send($command . "\r\n");
+    }
+
+    /**
+     * Read a reply from the SMTP server.  The reply consists of a response
+     * code and a response message.
+     *
+     * @param   mixed   $valid      The set of valid response codes.  These
+     *                              may be specified as an array of integer
+     *                              values or as a single integer value.
+     *
+     * @return  mixed   True if the server returned a valid response code or
+     *                  a PEAR_Error object is an error condition is reached.
+     *
+     * @access  private
+     * @since   1.1.0
+     *
+     * @see     getResponse
+     */
+    function _parseResponse($valid)
+    {
+        $this->_code = -1;
+        $this->_arguments = array();
+
+        while ($line = $this->_socket->readLine()) {
+            if ($this->_debug) {
+                echo "DEBUG: Recv: $line\n";
+            }
+
+            /* If we receive an empty line, the connection has been closed. */
+            if (empty($line)) {
+                $this->disconnect();
+                return PEAR::raiseError('Connection was unexpectedly closed');
+            }
+
+            /* Read the code and store the rest in the arguments array. */
+            $code = substr($line, 0, 3);
+            $this->_arguments[] = trim(substr($line, 4));
+
+            /* Check the syntax of the response code. */
+            if (is_numeric($code)) {
+                $this->_code = (int)$code;
+            } else {
+                $this->_code = -1;
+                break;
+            }
+
+            /* If this is not a multiline response, we're done. */
+            if (substr($line, 3, 1) != '-') {
+                break;
+            }
+        }
+
+        /* Compare the server's response code with the valid code. */
+        if (is_int($valid) && ($this->_code === $valid)) {
+            return true;
+        }
+
+        /* If we were given an array of valid response codes, check each one. */
+        if (is_array($valid)) {
+            foreach ($valid as $valid_code) {
+                if ($this->_code === $valid_code) {
+                    return true;
+                }
+            }
+        }
+
+        return PEAR::raiseError('Invalid response code received from server',
+                                $this->_code);
+    }
+
+    /**
+     * Return a 2-tuple containing the last response from the SMTP server.
+     *
+     * @return  array   A two-element array: the first element contains the
+     *                  response code as an integer and the second element
+     *                  contains the response's arguments as a string.
+     *
+     * @access  public
+     * @since   1.1.0
+     */
+    function getResponse()
+    {
+        return array($this->_code, join("\n", $this->_arguments));
+    }
+
+    /**
+     * Attempt to connect to the SMTP server.
+     *
+     * @param   int     $timeout    The timeout value (in seconds) for the
+     *                              socket connection.
+     * @param   bool    $persistent Should a persistent socket connection
+     *                              be used?
+     *
+     * @return mixed Returns a PEAR_Error with an error message on any
+     *               kind of failure, or true on success.
+     * @access public
+     * @since  1.0
+     */
+    function connect($timeout = null, $persistent = false)
+    {
+        $result = $this->_socket->connect($this->host, $this->port,
+                                          $persistent, $timeout);
+        if (PEAR::isError($result)) {
+            return PEAR::raiseError('Failed to connect socket: ' .
+                                    $result->getMessage());
+        }
+
+        if (PEAR::isError($error = $this->_parseResponse(220))) {
+            return $error;
+        }
+        if (PEAR::isError($error = $this->_negotiate())) {
+            return $error;
+        }
+
+        return true;
+    }
+
+    /**
+     * Attempt to disconnect from the SMTP server.
+     *
+     * @return mixed Returns a PEAR_Error with an error message on any
+     *               kind of failure, or true on success.
+     * @access public
+     * @since  1.0
+     */
+    function disconnect()
+    {
+        if (PEAR::isError($error = $this->_put('QUIT'))) {
+            return $error;
+        }
+        if (PEAR::isError($error = $this->_parseResponse(221))) {
+            return $error;
+        }
+        if (PEAR::isError($error = $this->_socket->disconnect())) {
+            return PEAR::raiseError('Failed to disconnect socket: ' .
+                                    $error->getMessage());
+        }
+
+        return true;
+    }
+
+    /**
+     * Attempt to send the EHLO command and obtain a list of ESMTP
+     * extensions available, and failing that just send HELO.
+     *
+     * @return mixed Returns a PEAR_Error with an error message on any
+     *               kind of failure, or true on success.
+     *
+     * @access private
+     * @since  1.1.0
+     */
+    function _negotiate()
+    {
+        if (PEAR::isError($error = $this->_put('EHLO', $this->localhost))) {
+            return $error;
+        }
+
+        if (PEAR::isError($this->_parseResponse(250))) {
+            /* If we receive a 503 response, we're already authenticated. */
+            if ($this->_code === 503) {
+                return true;
+            }
+
+            /* If the EHLO failed, try the simpler HELO command. */
+            if (PEAR::isError($error = $this->_put('HELO', $this->localhost))) {
+                return $error;
+            }
+            if (PEAR::isError($this->_parseResponse(250))) {
+                return PEAR::raiseError('HELO was not accepted: ', $this->_code);
+            }
+
+            return true;
+        }
+
+        foreach ($this->_arguments as $argument) {
+            $verb = strtok($argument, ' ');
+            $arguments = substr($argument, strlen($verb) + 1,
+                                strlen($argument) - strlen($verb) - 1);
+            $this->_esmtp[$verb] = $arguments;
+        }
+
+        return true;
+    }
+
+    /**
+     * Returns the name of the best authentication method that the server
+     * has advertised.
+     *
+     * @return mixed    Returns a string containing the name of the best
+     *                  supported authentication method or a PEAR_Error object
+     *                  if a failure condition is encountered.
+     * @access private
+     * @since  1.1.0
+     */
+    function _getBestAuthMethod()
+    {
+        $available_methods = explode(' ', $this->_esmtp['AUTH']);
+
+        foreach ($this->auth_methods as $method) {
+            if (in_array($method, $available_methods)) {
+                return $method;
+            }
+        }
+
+        return PEAR::raiseError('No supported authentication methods');
+    }
+
+    /**
+     * Attempt to do SMTP authentication.
+     *
+     * @param string The userid to authenticate as.
+     * @param string The password to authenticate with.
+     * @param string The requested authentication method.  If none is
+     *               specified, the best supported method will be used.
+     *
+     * @return mixed Returns a PEAR_Error with an error message on any
+     *               kind of failure, or true on success.
+     * @access public
+     * @since  1.0
+     */
+    function auth($uid, $pwd , $method = '')
+    {
+        if (empty($this->_esmtp['AUTH'])) {
+            if (version_compare(PHP_VERSION, '5.1.0', '>=')) {
+                if (!isset($this->_esmtp['STARTTLS'])) {
+                    return PEAR::raiseError('SMTP server does not support authentication');
+                }
+                if (PEAR::isError($result = $this->_put('STARTTLS'))) {
+                    return $result;
+                }
+                if (PEAR::isError($result = $this->_parseResponse(220))) {
+                    return $result;
+                }
+                if (PEAR::isError($result = $this->_socket->enableCrypto(true, STREAM_CRYPTO_METHOD_TLS_CLIENT))) {
+                    return $result;
+                } elseif ($result !== true) {
+                    return PEAR::raiseError('STARTTLS failed');
+                }
+
+                /* Send EHLO again to recieve the AUTH string from the
+                 * SMTP server. */
+                $this->_negotiate();
+                if (empty($this->_esmtp['AUTH'])) {
+                    return PEAR::raiseError('SMTP server does not support authentication');
+                }
+            } else {
+                return PEAR::raiseError('SMTP server does not support authentication');
+            }
+        }
+
+        /* If no method has been specified, get the name of the best
+         * supported method advertised by the SMTP server. */
+        if (empty($method)) {
+            if (PEAR::isError($method = $this->_getBestAuthMethod())) {
+                /* Return the PEAR_Error object from _getBestAuthMethod(). */
+                return $method;
+            }
+        } else {
+            $method = strtoupper($method);
+            if (!in_array($method, $this->auth_methods)) {
+                return PEAR::raiseError("$method is not a supported authentication method");
+            }
+        }
+
+        switch ($method) {
+        case 'DIGEST-MD5':
+            $result = $this->_authDigest_MD5($uid, $pwd);
+            break;
+
+        case 'CRAM-MD5':
+            $result = $this->_authCRAM_MD5($uid, $pwd);
+            break;
+
+        case 'LOGIN':
+            $result = $this->_authLogin($uid, $pwd);
+            break;
+
+        case 'PLAIN':
+            $result = $this->_authPlain($uid, $pwd);
+            break;
+
+        default:
+            $result = PEAR::raiseError("$method is not a supported authentication method");
+            break;
+        }
+
+        /* If an error was encountered, return the PEAR_Error object. */
+        if (PEAR::isError($result)) {
+            return $result;
+        }
+
+        return true;
+    }
+
+    /**
+     * Authenticates the user using the DIGEST-MD5 method.
+     *
+     * @param string The userid to authenticate as.
+     * @param string The password to authenticate with.
+     *
+     * @return mixed Returns a PEAR_Error with an error message on any
+     *               kind of failure, or true on success.
+     * @access private
+     * @since  1.1.0
+     */
+    function _authDigest_MD5($uid, $pwd)
+    {
+        if (PEAR::isError($error = $this->_put('AUTH', 'DIGEST-MD5'))) {
+            return $error;
+        }
+        /* 334: Continue authentication request */
+        if (PEAR::isError($error = $this->_parseResponse(334))) {
+            /* 503: Error: already authenticated */
+            if ($this->_code === 503) {
+                return true;
+            }
+            return $error;
+        }
+
+        $challenge = base64_decode($this->_arguments[0]);
+        $digest = &Auth_SASL::factory('digestmd5');
+        $auth_str = base64_encode($digest->getResponse($uid, $pwd, $challenge,
+                                                       $this->host, "smtp"));
+
+        if (PEAR::isError($error = $this->_put($auth_str))) {
+            return $error;
+        }
+        /* 334: Continue authentication request */
+        if (PEAR::isError($error = $this->_parseResponse(334))) {
+            return $error;
+        }
+
+        /* We don't use the protocol's third step because SMTP doesn't
+         * allow subsequent authentication, so we just silently ignore
+         * it. */
+        if (PEAR::isError($error = $this->_put(' '))) {
+            return $error;
+        }
+        /* 235: Authentication successful */
+        if (PEAR::isError($error = $this->_parseResponse(235))) {
+            return $error;
+        }
+    }
+
+    /**
+     * Authenticates the user using the CRAM-MD5 method.
+     *
+     * @param string The userid to authenticate as.
+     * @param string The password to authenticate with.
+     *
+     * @return mixed Returns a PEAR_Error with an error message on any
+     *               kind of failure, or true on success.
+     * @access private
+     * @since  1.1.0
+     */
+    function _authCRAM_MD5($uid, $pwd)
+    {
+        if (PEAR::isError($error = $this->_put('AUTH', 'CRAM-MD5'))) {
+            return $error;
+        }
+        /* 334: Continue authentication request */
+        if (PEAR::isError($error = $this->_parseResponse(334))) {
+            /* 503: Error: already authenticated */
+            if ($this->_code === 503) {
+                return true;
+            }
+            return $error;
+        }
+
+        $challenge = base64_decode($this->_arguments[0]);
+        $cram = &Auth_SASL::factory('crammd5');
+        $auth_str = base64_encode($cram->getResponse($uid, $pwd, $challenge));
+
+        if (PEAR::isError($error = $this->_put($auth_str))) {
+            return $error;
+        }
+
+        /* 235: Authentication successful */
+        if (PEAR::isError($error = $this->_parseResponse(235))) {
+            return $error;
+        }
+    }
+
+    /**
+     * Authenticates the user using the LOGIN method.
+     *
+     * @param string The userid to authenticate as.
+     * @param string The password to authenticate with.
+     *
+     * @return mixed Returns a PEAR_Error with an error message on any
+     *               kind of failure, or true on success.
+     * @access private
+     * @since  1.1.0
+     */
+    function _authLogin($uid, $pwd)
+    {
+        if (PEAR::isError($error = $this->_put('AUTH', 'LOGIN'))) {
+            return $error;
+        }
+        /* 334: Continue authentication request */
+        if (PEAR::isError($error = $this->_parseResponse(334))) {
+            /* 503: Error: already authenticated */
+            if ($this->_code === 503) {
+                return true;
+            }
+            return $error;
+        }
+
+        if (PEAR::isError($error = $this->_put(base64_encode($uid)))) {
+            return $error;
+        }
+        /* 334: Continue authentication request */
+        if (PEAR::isError($error = $this->_parseResponse(334))) {
+            return $error;
+        }
+
+        if (PEAR::isError($error = $this->_put(base64_encode($pwd)))) {
+            return $error;
+        }
+
+        /* 235: Authentication successful */
+        if (PEAR::isError($error = $this->_parseResponse(235))) {
+            return $error;
+        }
+
+        return true;
+    }
+
+    /**
+     * Authenticates the user using the PLAIN method.
+     *
+     * @param string The userid to authenticate as.
+     * @param string The password to authenticate with.
+     *
+     * @return mixed Returns a PEAR_Error with an error message on any
+     *               kind of failure, or true on success.
+     * @access private
+     * @since  1.1.0
+     */
+    function _authPlain($uid, $pwd)
+    {
+        if (PEAR::isError($error = $this->_put('AUTH', 'PLAIN'))) {
+            return $error;
+        }
+        /* 334: Continue authentication request */
+        if (PEAR::isError($error = $this->_parseResponse(334))) {
+            /* 503: Error: already authenticated */
+            if ($this->_code === 503) {
+                return true;
+            }
+            return $error;
+        }
+
+        $auth_str = base64_encode(chr(0) . $uid . chr(0) . $pwd);
+
+        if (PEAR::isError($error = $this->_put($auth_str))) {
+            return $error;
+        }
+
+        /* 235: Authentication successful */
+        if (PEAR::isError($error = $this->_parseResponse(235))) {
+            return $error;
+        }
+
+        return true;
+    }
+
+    /**
+     * Send the HELO command.
+     *
+     * @param string The domain name to say we are.
+     *
+     * @return mixed Returns a PEAR_Error with an error message on any
+     *               kind of failure, or true on success.
+     * @access public
+     * @since  1.0
+     */
+    function helo($domain)
+    {
+        if (PEAR::isError($error = $this->_put('HELO', $domain))) {
+            return $error;
+        }
+        if (PEAR::isError($error = $this->_parseResponse(250))) {
+            return $error;
+        }
+
+        return true;
+    }
+
+    /**
+     * Send the MAIL FROM: command.
+     *
+     * @param string $sender    The sender (reverse path) to set.
+     * @param string $params    String containing additional MAIL parameters,
+     *                          such as the NOTIFY flags defined by RFC 1891
+     *                          or the VERP protocol.
+     *
+     *                          If $params is an array, only the 'verp' option
+     *                          is supported.  If 'verp' is true, the XVERP
+     *                          parameter is appended to the MAIL command.  If
+     *                          the 'verp' value is a string, the full
+     *                          XVERP=value parameter is appended.
+     *
+     * @return mixed Returns a PEAR_Error with an error message on any
+     *               kind of failure, or true on success.
+     * @access public
+     * @since  1.0
+     */
+    function mailFrom($sender, $params = null)
+    {
+        $args = "FROM:<$sender>";
+
+        /* Support the deprecated array form of $params. */
+        if (is_array($params) && isset($params['verp'])) {
+            /* XVERP */
+            if ($params['verp'] === true) {
+                $args .= ' XVERP';
+
+            /* XVERP=something */
+            } elseif (trim($params['verp'])) {
+                $args .= ' XVERP=' . $params['verp'];
+            }
+        } elseif (is_string($params)) {
+            $args .= ' ' . $params;
+        }
+
+        if (PEAR::isError($error = $this->_put('MAIL', $args))) {
+            return $error;
+        }
+        if (PEAR::isError($error = $this->_parseResponse(250))) {
+            return $error;
+        }
+
+        return true;
+    }
+
+    /**
+     * Send the RCPT TO: command.
+     *
+     * @param string $recipient The recipient (forward path) to add.
+     * @param string $params    String containing additional RCPT parameters,
+     *                          such as the NOTIFY flags defined by RFC 1891.
+     *
+     * @return mixed Returns a PEAR_Error with an error message on any
+     *               kind of failure, or true on success.
+     *
+     * @access public
+     * @since  1.0
+     */
+    function rcptTo($recipient, $params = null)
+    {
+        $args = "TO:<$recipient>";
+        if (is_string($params)) {
+            $args .= ' ' . $params;
+        }
+
+        if (PEAR::isError($error = $this->_put('RCPT', $args))) {
+            return $error;
+        }
+        if (PEAR::isError($error = $this->_parseResponse(array(250, 251)))) {
+            return $error;
+        }
+
+        return true;
+    }
+
+    /**
+     * Quote the data so that it meets SMTP standards.
+     *
+     * This is provided as a separate public function to facilitate
+     * easier overloading for the cases where it is desirable to
+     * customize the quoting behavior.
+     *
+     * @param string $data  The message text to quote. The string must be passed
+     *                      by reference, and the text will be modified in place.
+     *
+     * @access public
+     * @since  1.2
+     */
+    function quotedata(&$data)
+    {
+        /* Change Unix (\n) and Mac (\r) linefeeds into
+         * Internet-standard CRLF (\r\n) linefeeds. */
+        $data = preg_replace(array('/(?<!\r)\n/','/\r(?!\n)/'), "\r\n", $data);
+
+        /* Because a single leading period (.) signifies an end to the
+         * data, legitimate leading periods need to be "doubled"
+         * (e.g. '..'). */
+        $data = str_replace("\n.", "\n..", $data);
+    }
+
+    /**
+     * Send the DATA command.
+     *
+     * @param string $data  The message body to send.
+     *
+     * @return mixed Returns a PEAR_Error with an error message on any
+     *               kind of failure, or true on success.
+     * @access public
+     * @since  1.0
+     */
+    function data($data)
+    {
+        /* RFC 1870, section 3, subsection 3 states "a value of zero
+         * indicates that no fixed maximum message size is in force".
+         * Furthermore, it says that if "the parameter is omitted no
+         * information is conveyed about the server's fixed maximum
+         * message size". */
+        if (isset($this->_esmtp['SIZE']) && ($this->_esmtp['SIZE'] > 0)) {
+            if (strlen($data) >= $this->_esmtp['SIZE']) {
+                $this->disconnect();
+                return PEAR::raiseError('Message size excedes the server limit');
+            }
+        }
+
+        /* Quote the data based on the SMTP standards. */
+        $this->quotedata($data);
+
+        if (PEAR::isError($error = $this->_put('DATA'))) {
+            return $error;
+        }
+        if (PEAR::isError($error = $this->_parseResponse(354))) {
+            return $error;
+        }
+
+        if (PEAR::isError($result = $this->_send($data . "\r\n.\r\n"))) {
+            return $result;
+        }
+        if (PEAR::isError($error = $this->_parseResponse(250))) {
+            return $error;
+        }
+
+        return true;
+    }
+
+    /**
+     * Send the SEND FROM: command.
+     *
+     * @param string The reverse path to send.
+     *
+     * @return mixed Returns a PEAR_Error with an error message on any
+     *               kind of failure, or true on success.
+     * @access public
+     * @since  1.2.6
+     */
+    function sendFrom($path)
+    {
+        if (PEAR::isError($error = $this->_put('SEND', "FROM:<$path>"))) {
+            return $error;
+        }
+        if (PEAR::isError($error = $this->_parseResponse(250))) {
+            return $error;
+        }
+
+        return true;
+    }
+
+    /**
+     * Backwards-compatibility wrapper for sendFrom().
+     *
+     * @param string The reverse path to send.
+     *
+     * @return mixed Returns a PEAR_Error with an error message on any
+     *               kind of failure, or true on success.
+     *
+     * @access      public
+     * @since       1.0
+     * @deprecated  1.2.6
+     */
+    function send_from($path)
+    {
+        return sendFrom($path);
+    }
+
+    /**
+     * Send the SOML FROM: command.
+     *
+     * @param string The reverse path to send.
+     *
+     * @return mixed Returns a PEAR_Error with an error message on any
+     *               kind of failure, or true on success.
+     * @access public
+     * @since  1.2.6
+     */
+    function somlFrom($path)
+    {
+        if (PEAR::isError($error = $this->_put('SOML', "FROM:<$path>"))) {
+            return $error;
+        }
+        if (PEAR::isError($error = $this->_parseResponse(250))) {
+            return $error;
+        }
+
+        return true;
+    }
+
+    /**
+     * Backwards-compatibility wrapper for somlFrom().
+     *
+     * @param string The reverse path to send.
+     *
+     * @return mixed Returns a PEAR_Error with an error message on any
+     *               kind of failure, or true on success.
+     *
+     * @access      public
+     * @since       1.0
+     * @deprecated  1.2.6
+     */
+    function soml_from($path)
+    {
+        return somlFrom($path);
+    }
+
+    /**
+     * Send the SAML FROM: command.
+     *
+     * @param string The reverse path to send.
+     *
+     * @return mixed Returns a PEAR_Error with an error message on any
+     *               kind of failure, or true on success.
+     * @access public
+     * @since  1.2.6
+     */
+    function samlFrom($path)
+    {
+        if (PEAR::isError($error = $this->_put('SAML', "FROM:<$path>"))) {
+            return $error;
+        }
+        if (PEAR::isError($error = $this->_parseResponse(250))) {
+            return $error;
+        }
+
+        return true;
+    }
+
+    /**
+     * Backwards-compatibility wrapper for samlFrom().
+     *
+     * @param string The reverse path to send.
+     *
+     * @return mixed Returns a PEAR_Error with an error message on any
+     *               kind of failure, or true on success.
+     *
+     * @access      public
+     * @since       1.0
+     * @deprecated  1.2.6
+     */
+    function saml_from($path)
+    {
+        return samlFrom($path);
+    }
+
+    /**
+     * Send the RSET command.
+     *
+     * @return mixed Returns a PEAR_Error with an error message on any
+     *               kind of failure, or true on success.
+     * @access public
+     * @since  1.0
+     */
+    function rset()
+    {
+        if (PEAR::isError($error = $this->_put('RSET'))) {
+            return $error;
+        }
+        if (PEAR::isError($error = $this->_parseResponse(250))) {
+            return $error;
+        }
+
+        return true;
+    }
+
+    /**
+     * Send the VRFY command.
+     *
+     * @param string The string to verify
+     *
+     * @return mixed Returns a PEAR_Error with an error message on any
+     *               kind of failure, or true on success.
+     * @access public
+     * @since  1.0
+     */
+    function vrfy($string)
+    {
+        /* Note: 251 is also a valid response code */
+        if (PEAR::isError($error = $this->_put('VRFY', $string))) {
+            return $error;
+        }
+        if (PEAR::isError($error = $this->_parseResponse(array(250, 252)))) {
+            return $error;
+        }
+
+        return true;
+    }
+
+    /**
+     * Send the NOOP command.
+     *
+     * @return mixed Returns a PEAR_Error with an error message on any
+     *               kind of failure, or true on success.
+     * @access public
+     * @since  1.0
+     */
+    function noop()
+    {
+        if (PEAR::isError($error = $this->_put('NOOP'))) {
+            return $error;
+        }
+        if (PEAR::isError($error = $this->_parseResponse(250))) {
+            return $error;
+        }
+
+        return true;
+    }
+
+    /**
+     * Backwards-compatibility method.  identifySender()'s functionality is
+     * now handled internally.
+     *
+     * @return  boolean     This method always return true.
+     *
+     * @access  public
+     * @since   1.0
+     */
+    function identifySender()
+    {
+        return true;
+    }
+
+}
Index: branches/feature-module-update/data/module/Mail/mimePart.php
===================================================================
--- branches/feature-module-update/data/module/Mail/mimePart.php	(revision 15532)
+++ branches/feature-module-update/data/module/Mail/mimePart.php	(revision 16300)
@@ -1,5 +1,5 @@
 <?php
 // +-----------------------------------------------------------------------+
-// | Copyright (c) 2002-2003  Richard Heyes                                     |
+// | Copyright (c) 2002-2003  Richard Heyes                                |
 // | All rights reserved.                                                  |
 // |                                                                       |
Index: branches/feature-module-update/data/module/Mail/Mail.php
===================================================================
--- branches/feature-module-update/data/module/Mail/Mail.php	(revision 16300)
+++ branches/feature-module-update/data/module/Mail/Mail.php	(revision 16300)
@@ -0,0 +1,240 @@
+<?php
+//
+// +----------------------------------------------------------------------+
+// | PHP Version 4                                                        |
+// +----------------------------------------------------------------------+
+// | Copyright (c) 1997-2003 The PHP Group                                |
+// +----------------------------------------------------------------------+
+// | This source file is subject to version 2.02 of the PHP license,      |
+// | that is bundled with this package in the file LICENSE, and is        |
+// | available at through the world-wide-web at                           |
+// | http://www.php.net/license/2_02.txt.                                 |
+// | If you did not receive a copy of the PHP license and are unable to   |
+// | obtain it through the world-wide-web, please send a note to          |
+// | license@php.net so we can mail you a copy immediately.               |
+// +----------------------------------------------------------------------+
+// | Author: Chuck Hagenbuch <chuck@horde.org>                            |
+// +----------------------------------------------------------------------+
+//
+// $Id: Mail.php,v 1.17 2006/09/15 03:41:18 jon Exp $
+
+require_once dirname(__FILE__) . "/../PEAR.php";
+
+/**
+ * PEAR's Mail:: interface. Defines the interface for implementing
+ * mailers under the PEAR hierarchy, and provides supporting functions
+ * useful in multiple mailer backends.
+ *
+ * @access public
+ * @version $Revision: 1.17 $
+ * @package Mail
+ */
+class Mail
+{
+    /**
+     * Line terminator used for separating header lines.
+     * @var string
+     */
+    var $sep = "\r\n";
+
+    /**
+     * Provides an interface for generating Mail:: objects of various
+     * types
+     *
+     * @param string $driver The kind of Mail:: object to instantiate.
+     * @param array  $params The parameters to pass to the Mail:: object.
+     * @return object Mail a instance of the driver class or if fails a PEAR Error
+     * @access public
+     */
+    function &factory($driver, $params = array())
+    {
+        $driver = strtolower($driver);
+        $include_dir = realpath(dirname( __FILE__));
+        include_once $include_dir ."/../Mail/" . $driver . ".php";
+        $class = 'Mail_' . $driver;
+        if (class_exists($class)) {
+            $mailer = new $class($params);
+            return $mailer;
+        } else {
+            return PEAR::raiseError('Unable to find class for driver ' . $driver);
+        }
+    }
+
+    /**
+     * Implements Mail::send() function using php's built-in mail()
+     * command.
+     *
+     * @param mixed $recipients Either a comma-seperated list of recipients
+     *              (RFC822 compliant), or an array of recipients,
+     *              each RFC822 valid. This may contain recipients not
+     *              specified in the headers, for Bcc:, resending
+     *              messages, etc.
+     *
+     * @param array $headers The array of headers to send with the mail, in an
+     *              associative array, where the array key is the
+     *              header name (ie, 'Subject'), and the array value
+     *              is the header value (ie, 'test'). The header
+     *              produced from those values would be 'Subject:
+     *              test'.
+     *
+     * @param string $body The full text of the message body, including any
+     *               Mime parts, etc.
+     *
+     * @return mixed Returns true on success, or a PEAR_Error
+     *               containing a descriptive error message on
+     *               failure.
+     * @access public
+     * @deprecated use Mail_mail::send instead
+     */
+    function send($recipients, $headers, $body)
+    {
+        $this->_sanitizeHeaders($headers);
+
+        // if we're passed an array of recipients, implode it.
+        if (is_array($recipients)) {
+            $recipients = implode(', ', $recipients);
+        }
+
+        // get the Subject out of the headers array so that we can
+        // pass it as a seperate argument to mail().
+        $subject = '';
+        if (isset($headers['Subject'])) {
+            $subject = $headers['Subject'];
+            unset($headers['Subject']);
+        }
+
+        // flatten the headers out.
+        list(,$text_headers) = Mail::prepareHeaders($headers);
+
+        return mail($recipients, $subject, $body, $text_headers);
+
+    }
+
+    /**
+     * Sanitize an array of mail headers by removing any additional header
+     * strings present in a legitimate header's value.  The goal of this
+     * filter is to prevent mail injection attacks.
+     *
+     * @param array $headers The associative array of headers to sanitize.
+     *
+     * @access private
+     */
+    function _sanitizeHeaders(&$headers)
+    {
+        foreach ($headers as $key => $value) {
+            $headers[$key] =
+                preg_replace('=((<CR>|<LF>|0x0A/%0A|0x0D/%0D|\\n|\\r)\S).*=i',
+                             null, $value);
+        }
+    }
+
+    /**
+     * Take an array of mail headers and return a string containing
+     * text usable in sending a message.
+     *
+     * @param array $headers The array of headers to prepare, in an associative
+     *              array, where the array key is the header name (ie,
+     *              'Subject'), and the array value is the header
+     *              value (ie, 'test'). The header produced from those
+     *              values would be 'Subject: test'.
+     *
+     * @return mixed Returns false if it encounters a bad address,
+     *               otherwise returns an array containing two
+     *               elements: Any From: address found in the headers,
+     *               and the plain text version of the headers.
+     * @access private
+     */
+    function prepareHeaders($headers)
+    {
+        $lines = array();
+        $from = null;
+
+        foreach ($headers as $key => $value) {
+            if (strcasecmp($key, 'From') === 0) {
+                $include_dir = realpath(dirname( __FILE__));
+                include_once $include_dir ."/../Mail/RFC822.php";
+                $parser = &new Mail_RFC822();
+                $addresses = $parser->parseAddressList($value, 'localhost', false);
+                if (PEAR::isError($addresses)) {
+                    return $addresses;
+                }
+
+                $from = $addresses[0]->mailbox . '@' . $addresses[0]->host;
+
+                // Reject envelope From: addresses with spaces.
+                if (strstr($from, ' ')) {
+                    return false;
+                }
+
+                $lines[] = $key . ': ' . $value;
+            } elseif (strcasecmp($key, 'Received') === 0) {
+                $received = array();
+                if (is_array($value)) {
+                    foreach ($value as $line) {
+                        $received[] = $key . ': ' . $line;
+                    }
+                }
+                else {
+                    $received[] = $key . ': ' . $value;
+                }
+                // Put Received: headers at the top.  Spam detectors often
+                // flag messages with Received: headers after the Subject:
+                // as spam.
+                $lines = array_merge($received, $lines);
+            } else {
+                // If $value is an array (i.e., a list of addresses), convert
+                // it to a comma-delimited string of its elements (addresses).
+                if (is_array($value)) {
+                    $value = implode(', ', $value);
+                }
+                $lines[] = $key . ': ' . $value;
+            }
+        }
+
+        return array($from, join($this->sep, $lines));
+    }
+
+    /**
+     * Take a set of recipients and parse them, returning an array of
+     * bare addresses (forward paths) that can be passed to sendmail
+     * or an smtp server with the rcpt to: command.
+     *
+     * @param mixed Either a comma-seperated list of recipients
+     *              (RFC822 compliant), or an array of recipients,
+     *              each RFC822 valid.
+     *
+     * @return mixed An array of forward paths (bare addresses) or a PEAR_Error
+     *               object if the address list could not be parsed.
+     * @access private
+     */
+    function parseRecipients($recipients)
+    {
+        include_once dirname(__FILE__) . "/../Mail/RFC822.php";
+
+        // if we're passed an array, assume addresses are valid and
+        // implode them before parsing.
+        if (is_array($recipients)) {
+            $recipients = implode(', ', $recipients);
+        }
+
+        // Parse recipients, leaving out all personal info. This is
+        // for smtp recipients, etc. All relevant personal information
+        // should already be in the headers.
+        $addresses = Mail_RFC822::parseAddressList($recipients, 'localhost', false);
+
+        // If parseAddressList() returned a PEAR_Error object, just return it.
+        if (PEAR::isError($addresses)) {
+            return $addresses;
+        }
+
+        $recipients = array();
+        if (is_array($addresses)) {
+            foreach ($addresses as $ob) {
+                $recipients[] = $ob->mailbox . '@' . $ob->host;
+            }
+        }
+
+        return $recipients;
+    }
+
+}
Index: branches/feature-module-update/data/module/Mail/smtp.php
===================================================================
--- branches/feature-module-update/data/module/Mail/smtp.php	(revision 16300)
+++ branches/feature-module-update/data/module/Mail/smtp.php	(revision 16300)
@@ -0,0 +1,349 @@
+<?php
+//
+// +----------------------------------------------------------------------+
+// | PHP Version 4                                                        |
+// +----------------------------------------------------------------------+
+// | Copyright (c) 1997-2003 The PHP Group                                |
+// +----------------------------------------------------------------------+
+// | This source file is subject to version 2.02 of the PHP license,      |
+// | that is bundled with this package in the file LICENSE, and is        |
+// | available at through the world-wide-web at                           |
+// | http://www.php.net/license/2_02.txt.                                 |
+// | If you did not receive a copy of the PHP license and are unable to   |
+// | obtain it through the world-wide-web, please send a note to          |
+// | license@php.net so we can mail you a copy immediately.               |
+// +----------------------------------------------------------------------+
+// | Authors: Chuck Hagenbuch <chuck@horde.org>                           |
+// |          Jon Parise <jon@php.net>                                    |
+// +----------------------------------------------------------------------+
+
+/** Error: Failed to create a Net_SMTP object */
+define('PEAR_MAIL_SMTP_ERROR_CREATE', 10000);
+
+/** Error: Failed to connect to SMTP server */
+define('PEAR_MAIL_SMTP_ERROR_CONNECT', 10001);
+
+/** Error: SMTP authentication failure */
+define('PEAR_MAIL_SMTP_ERROR_AUTH', 10002);
+
+/** Error: No From: address has been provided */
+define('PEAR_MAIL_SMTP_ERROR_FROM', 10003);
+
+/** Error: Failed to set sender */
+define('PEAR_MAIL_SMTP_ERROR_SENDER', 10004);
+
+/** Error: Failed to add recipient */
+define('PEAR_MAIL_SMTP_ERROR_RECIPIENT', 10005);
+
+/** Error: Failed to send data */
+define('PEAR_MAIL_SMTP_ERROR_DATA', 10006);
+
+/**
+ * SMTP implementation of the PEAR Mail interface. Requires the Net_SMTP class.
+ * @access public
+ * @package Mail
+ * @version $Revision: 1.28 $
+ */
+class Mail_smtp extends Mail {
+
+    /**
+     * SMTP connection object.
+     *
+     * @var object
+     * @access private
+     */
+    var $_smtp = null;
+
+    /**
+     * The SMTP host to connect to.
+     * @var string
+     */
+    var $host = 'localhost';
+
+    /**
+     * The port the SMTP server is on.
+     * @var integer
+     */
+    var $port = 25;
+
+    /**
+     * Should SMTP authentication be used?
+     *
+     * This value may be set to true, false or the name of a specific
+     * authentication method.
+     *
+     * If the value is set to true, the Net_SMTP package will attempt to use
+     * the best authentication method advertised by the remote SMTP server.
+     *
+     * @var mixed
+     */
+    var $auth = false;
+
+    /**
+     * The username to use if the SMTP server requires authentication.
+     * @var string
+     */
+    var $username = '';
+
+    /**
+     * The password to use if the SMTP server requires authentication.
+     * @var string
+     */
+    var $password = '';
+
+    /**
+     * Hostname or domain that will be sent to the remote SMTP server in the
+     * HELO / EHLO message.
+     *
+     * @var string
+     */
+    var $localhost = 'localhost';
+
+    /**
+     * SMTP connection timeout value.  NULL indicates no timeout.
+     *
+     * @var integer
+     */
+    var $timeout = null;
+
+    /**
+     * Whether to use VERP or not. If not a boolean, the string value
+     * will be used as the VERP separators.
+     *
+     * @var mixed boolean or string
+     */
+    var $verp = false;
+
+    /**
+     * Turn on Net_SMTP debugging?
+     *
+     * @var boolean $debug
+     */
+    var $debug = false;
+
+    /**
+     * Indicates whether or not the SMTP connection should persist over
+     * multiple calls to the send() method.
+     *
+     * @var boolean
+     */
+    var $persist = false;
+
+    /**
+     * Constructor.
+     *
+     * Instantiates a new Mail_smtp:: object based on the parameters
+     * passed in. It looks for the following parameters:
+     *     host        The server to connect to. Defaults to localhost.
+     *     port        The port to connect to. Defaults to 25.
+     *     auth        SMTP authentication.  Defaults to none.
+     *     username    The username to use for SMTP auth. No default.
+     *     password    The password to use for SMTP auth. No default.
+     *     localhost   The local hostname / domain. Defaults to localhost.
+     *     timeout     The SMTP connection timeout. Defaults to none.
+     *     verp        Whether to use VERP or not. Defaults to false.
+     *     debug       Activate SMTP debug mode? Defaults to false.
+     *     persist     Should the SMTP connection persist?
+     *
+     * If a parameter is present in the $params array, it replaces the
+     * default.
+     *
+     * @param array Hash containing any parameters different from the
+     *              defaults.
+     * @access public
+     */
+    function Mail_smtp($params)
+    {
+        if (isset($params['host'])) $this->host = $params['host'];
+        if (isset($params['port'])) $this->port = $params['port'];
+        if (isset($params['auth'])) $this->auth = $params['auth'];
+        if (isset($params['username'])) $this->username = $params['username'];
+        if (isset($params['password'])) $this->password = $params['password'];
+        if (isset($params['localhost'])) $this->localhost = $params['localhost'];
+        if (isset($params['timeout'])) $this->timeout = $params['timeout'];
+        if (isset($params['verp'])) $this->verp = $params['verp'];
+        if (isset($params['debug'])) $this->debug = (boolean)$params['debug'];
+        if (isset($params['persist'])) $this->persist = (boolean)$params['persist'];
+
+        register_shutdown_function(array(&$this, '_Mail_smtp'));
+    }
+
+    /**
+     * Destructor implementation to ensure that we disconnect from any
+     * potentially-alive persistent SMTP connections.
+     */
+    function _Mail_smtp()
+    {
+        $this->disconnect();
+    }
+
+    /**
+     * Implements Mail::send() function using SMTP.
+     *
+     * @param mixed $recipients Either a comma-seperated list of recipients
+     *              (RFC822 compliant), or an array of recipients,
+     *              each RFC822 valid. This may contain recipients not
+     *              specified in the headers, for Bcc:, resending
+     *              messages, etc.
+     *
+     * @param array $headers The array of headers to send with the mail, in an
+     *              associative array, where the array key is the
+     *              header name (e.g., 'Subject'), and the array value
+     *              is the header value (e.g., 'test'). The header
+     *              produced from those values would be 'Subject:
+     *              test'.
+     *
+     * @param string $body The full text of the message body, including any
+     *               Mime parts, etc.
+     *
+     * @return mixed Returns true on success, or a PEAR_Error
+     *               containing a descriptive error message on
+     *               failure.
+     * @access public
+     */
+    function send($recipients, $headers, $body)
+    {
+        $include_dir = realpath(dirname( __FILE__));
+        include_once $include_dir . "/../Net/SMTP.php";
+
+        /* If we don't already have an SMTP object, create one. */
+        if (is_object($this->_smtp) === false) {
+            $this->_smtp =& new Net_SMTP($this->host, $this->port,
+                                         $this->localhost);
+
+            /* If we still don't have an SMTP object at this point, fail. */
+            if (is_object($this->_smtp) === false) {
+                return PEAR::raiseError('Failed to create a Net_SMTP object',
+                                        PEAR_MAIL_SMTP_ERROR_CREATE);
+            }
+
+            /* Configure the SMTP connection. */
+            if ($this->debug) {
+                $this->_smtp->setDebug(true);
+            }
+
+            /* Attempt to connect to the configured SMTP server. */
+            if (PEAR::isError($res = $this->_smtp->connect($this->timeout))) {
+                $error = $this->_error('Failed to connect to ' .
+                                       $this->host . ':' . $this->port,
+                                       $res);
+                return PEAR::raiseError($error, PEAR_MAIL_SMTP_ERROR_CONNECT);
+            }
+
+            /* Attempt to authenticate if authentication has been enabled. */
+            if ($this->auth) {
+                $method = is_string($this->auth) ? $this->auth : '';
+
+                if (PEAR::isError($res = $this->_smtp->auth($this->username,
+                                                            $this->password,
+                                                            $method))) {
+                    $error = $this->_error("$method authentication failure",
+                                           $res);
+                    $this->_smtp->rset();
+                    return PEAR::raiseError($error, PEAR_MAIL_SMTP_ERROR_AUTH);
+                }
+            }
+        }
+
+        $this->_sanitizeHeaders($headers);
+        $headerElements = $this->prepareHeaders($headers);
+        if (PEAR::isError($headerElements)) {
+            $this->_smtp->rset();
+            return $headerElements;
+        }
+        list($from, $textHeaders) = $headerElements;
+
+        /* Since few MTAs are going to allow this header to be forged
+         * unless it's in the MAIL FROM: exchange, we'll use
+         * Return-Path instead of From: if it's set. */
+        if (!empty($headers['Return-Path'])) {
+            $from = $headers['Return-Path'];
+        }
+
+        if (!isset($from)) {
+            $this->_smtp->rset();
+            return PEAR::raiseError('No From: address has been provided',
+                                    PEAR_MAIL_SMTP_ERROR_FROM);
+        }
+
+        $args['verp'] = $this->verp;
+        if (PEAR::isError($res = $this->_smtp->mailFrom($from, $args))) {
+            $error = $this->_error("Failed to set sender: $from", $res);
+            $this->_smtp->rset();
+            return PEAR::raiseError($error, PEAR_MAIL_SMTP_ERROR_SENDER);
+        }
+
+        $recipients = $this->parseRecipients($recipients);
+        if (PEAR::isError($recipients)) {
+            $this->_smtp->rset();
+            return $recipients;
+        }
+
+        foreach ($recipients as $recipient) {
+            if (PEAR::isError($res = $this->_smtp->rcptTo($recipient))) {
+                $error = $this->_error("Failed to add recipient: $recipient",
+                                       $res);
+                $this->_smtp->rset();
+                return PEAR::raiseError($error, PEAR_MAIL_SMTP_ERROR_RECIPIENT);
+            }
+        }
+
+        /* Send the message's headers and the body as SMTP data. */
+        if (PEAR::isError($res = $this->_smtp->data($textHeaders . "\r\n\r\n" . $body))) {
+            $error = $this->_error('Failed to send data', $res);
+            $this->_smtp->rset();
+            return PEAR::raiseError($error, PEAR_MAIL_SMTP_ERROR_DATA);
+        }
+
+        /* If persistent connections are disabled, destroy our SMTP object. */
+        if ($this->persist === false) {
+            $this->disconnect();
+        }
+
+        return true;
+    }
+
+    /**
+     * Disconnect and destroy the current SMTP connection.
+     *
+     * @return boolean True if the SMTP connection no longer exists.
+     *
+     * @since  1.1.9
+     * @access public
+     */
+    function disconnect()
+    {
+        /* If we have an SMTP object, disconnect and destroy it. */
+        if (is_object($this->_smtp) && $this->_smtp->disconnect()) {
+            $this->_smtp = null;
+        }
+
+        /* We are disconnected if we no longer have an SMTP object. */
+        return ($this->_smtp === null);
+    }
+
+    /**
+     * Build a standardized string describing the current SMTP error.
+     *
+     * @param string $text  Custom string describing the error context.
+     * @param object $error Reference to the current PEAR_Error object.
+     *
+     * @return string       A string describing the current SMTP error.
+     *
+     * @since  1.1.7
+     * @access private
+     */
+    function _error($text, &$error)
+    {
+        /* Split the SMTP response into a code and a response string. */
+        list($code, $response) = $this->_smtp->getResponse();
+
+        /* Build our standardized error string. */
+        $msg = $text;
+        $msg .= ' [SMTP: ' . $error->getMessage();
+        $msg .= " (code: $code, response: $response)]";
+
+        return $msg;
+    }
+
+}
Index: branches/feature-module-update/data/module/Mail/RFC822.php
===================================================================
--- branches/feature-module-update/data/module/Mail/RFC822.php	(revision 16300)
+++ branches/feature-module-update/data/module/Mail/RFC822.php	(revision 16300)
@@ -0,0 +1,923 @@
+<?php
+// +-----------------------------------------------------------------------+
+// | Copyright (c) 2001-2002, Richard Heyes                                |
+// | All rights reserved.                                                  |
+// |                                                                       |
+// | Redistribution and use in source and binary forms, with or without    |
+// | modification, are permitted provided that the following conditions    |
+// | are met:                                                              |
+// |                                                                       |
+// | o Redistributions of source code must retain the above copyright      |
+// |   notice, this list of conditions and the following disclaimer.       |
+// | o Redistributions in binary form must reproduce the above copyright   |
+// |   notice, this list of conditions and the following disclaimer in the |
+// |   documentation and/or other materials provided with the distribution.|
+// | o The names of the authors may not be used to endorse or promote      |
+// |   products derived from this software without specific prior written  |
+// |   permission.                                                         |
+// |                                                                       |
+// | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS   |
+// | "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT     |
+// | LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
+// | A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT  |
+// | OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
+// | SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT      |
+// | LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
+// | DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
+// | THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT   |
+// | (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
+// | OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.  |
+// |                                                                       |
+// +-----------------------------------------------------------------------+
+// | Authors: Richard Heyes <richard@phpguru.org>                          |
+// |          Chuck Hagenbuch <chuck@horde.org>                            |
+// +-----------------------------------------------------------------------+
+
+/**
+ * RFC 822 Email address list validation Utility
+ *
+ * What is it?
+ *
+ * This class will take an address string, and parse it into it's consituent
+ * parts, be that either addresses, groups, or combinations. Nested groups
+ * are not supported. The structure it returns is pretty straight forward,
+ * and is similar to that provided by the imap_rfc822_parse_adrlist(). Use
+ * print_r() to view the structure.
+ *
+ * How do I use it?
+ *
+ * $address_string = 'My Group: "Richard" <richard@localhost> (A comment), ted@example.com (Ted Bloggs), Barney;';
+ * $structure = Mail_RFC822::parseAddressList($address_string, 'example.com', true)
+ * print_r($structure);
+ *
+ * @author  Richard Heyes <richard@phpguru.org>
+ * @author  Chuck Hagenbuch <chuck@horde.org>
+ * @version $Revision: 1.23 $
+ * @license BSD
+ * @package Mail
+ */
+class Mail_RFC822 {
+
+    /**
+     * The address being parsed by the RFC822 object.
+     * @var string $address
+     */
+    var $address = '';
+
+    /**
+     * The default domain to use for unqualified addresses.
+     * @var string $default_domain
+     */
+    var $default_domain = 'localhost';
+
+    /**
+     * Should we return a nested array showing groups, or flatten everything?
+     * @var boolean $nestGroups
+     */
+    var $nestGroups = true;
+
+    /**
+     * Whether or not to validate atoms for non-ascii characters.
+     * @var boolean $validate
+     */
+    var $validate = true;
+
+    /**
+     * The array of raw addresses built up as we parse.
+     * @var array $addresses
+     */
+    var $addresses = array();
+
+    /**
+     * The final array of parsed address information that we build up.
+     * @var array $structure
+     */
+    var $structure = array();
+
+    /**
+     * The current error message, if any.
+     * @var string $error
+     */
+    var $error = null;
+
+    /**
+     * An internal counter/pointer.
+     * @var integer $index
+     */
+    var $index = null;
+
+    /**
+     * The number of groups that have been found in the address list.
+     * @var integer $num_groups
+     * @access public
+     */
+    var $num_groups = 0;
+
+    /**
+     * A variable so that we can tell whether or not we're inside a
+     * Mail_RFC822 object.
+     * @var boolean $mailRFC822
+     */
+    var $mailRFC822 = true;
+
+    /**
+    * A limit after which processing stops
+    * @var int $limit
+    */
+    var $limit = null;
+
+    /**
+     * Sets up the object. The address must either be set here or when
+     * calling parseAddressList(). One or the other.
+     *
+     * @access public
+     * @param string  $address         The address(es) to validate.
+     * @param string  $default_domain  Default domain/host etc. If not supplied, will be set to localhost.
+     * @param boolean $nest_groups     Whether to return the structure with groups nested for easier viewing.
+     * @param boolean $validate        Whether to validate atoms. Turn this off if you need to run addresses through before encoding the personal names, for instance.
+     *
+     * @return object Mail_RFC822 A new Mail_RFC822 object.
+     */
+    function Mail_RFC822($address = null, $default_domain = null, $nest_groups = null, $validate = null, $limit = null)
+    {
+        if (isset($address))        $this->address        = $address;
+        if (isset($default_domain)) $this->default_domain = $default_domain;
+        if (isset($nest_groups))    $this->nestGroups     = $nest_groups;
+        if (isset($validate))       $this->validate       = $validate;
+        if (isset($limit))          $this->limit          = $limit;
+    }
+
+    /**
+     * Starts the whole process. The address must either be set here
+     * or when creating the object. One or the other.
+     *
+     * @access public
+     * @param string  $address         The address(es) to validate.
+     * @param string  $default_domain  Default domain/host etc.
+     * @param boolean $nest_groups     Whether to return the structure with groups nested for easier viewing.
+     * @param boolean $validate        Whether to validate atoms. Turn this off if you need to run addresses through before encoding the personal names, for instance.
+     *
+     * @return array A structured array of addresses.
+     */
+    function parseAddressList($address = null, $default_domain = null, $nest_groups = null, $validate = null, $limit = null)
+    {
+        if (!isset($this) || !isset($this->mailRFC822)) {
+            $obj = new Mail_RFC822($address, $default_domain, $nest_groups, $validate, $limit);
+            return $obj->parseAddressList();
+        }
+
+        if (isset($address))        $this->address        = $address;
+        if (isset($default_domain)) $this->default_domain = $default_domain;
+        if (isset($nest_groups))    $this->nestGroups     = $nest_groups;
+        if (isset($validate))       $this->validate       = $validate;
+        if (isset($limit))          $this->limit          = $limit;
+
+        $this->structure  = array();
+        $this->addresses  = array();
+        $this->error      = null;
+        $this->index      = null;
+
+        // Unfold any long lines in $this->address.
+        $this->address = preg_replace('/\r?\n/', "\r\n", $this->address);
+        $this->address = preg_replace('/\r\n(\t| )+/', ' ', $this->address);
+
+        while ($this->address = $this->_splitAddresses($this->address));
+
+        if ($this->address === false || isset($this->error)) {
+            require_once 'PEAR.php';
+            return PEAR::raiseError($this->error);
+        }
+
+        // Validate each address individually.  If we encounter an invalid
+        // address, stop iterating and return an error immediately.
+        foreach ($this->addresses as $address) {
+            $valid = $this->_validateAddress($address);
+
+            if ($valid === false || isset($this->error)) {
+                require_once 'PEAR.php';
+                return PEAR::raiseError($this->error);
+            }
+
+            if (!$this->nestGroups) {
+                $this->structure = array_merge($this->structure, $valid);
+            } else {
+                $this->structure[] = $valid;
+            }
+        }
+
+        return $this->structure;
+    }
+
+    /**
+     * Splits an address into separate addresses.
+     *
+     * @access private
+     * @param string $address The addresses to split.
+     * @return boolean Success or failure.
+     */
+    function _splitAddresses($address)
+    {
+        if (!empty($this->limit) && count($this->addresses) == $this->limit) {
+            return '';
+        }
+
+        if ($this->_isGroup($address) && !isset($this->error)) {
+            $split_char = ';';
+            $is_group   = true;
+        } elseif (!isset($this->error)) {
+            $split_char = ',';
+            $is_group   = false;
+        } elseif (isset($this->error)) {
+            return false;
+        }
+
+        // Split the string based on the above ten or so lines.
+        $parts  = explode($split_char, $address);
+        $string = $this->_splitCheck($parts, $split_char);
+
+        // If a group...
+        if ($is_group) {
+            // If $string does not contain a colon outside of
+            // brackets/quotes etc then something's fubar.
+
+            // First check there's a colon at all:
+            if (strpos($string, ':') === false) {
+                $this->error = 'Invalid address: ' . $string;
+                return false;
+            }
+
+            // Now check it's outside of brackets/quotes:
+            if (!$this->_splitCheck(explode(':', $string), ':')) {
+                return false;
+            }
+
+            // We must have a group at this point, so increase the counter:
+            $this->num_groups++;
+        }
+
+        // $string now contains the first full address/group.
+        // Add to the addresses array.
+        $this->addresses[] = array(
+                                   'address' => trim($string),
+                                   'group'   => $is_group
+                                   );
+
+        // Remove the now stored address from the initial line, the +1
+        // is to account for the explode character.
+        $address = trim(substr($address, strlen($string) + 1));
+
+        // If the next char is a comma and this was a group, then
+        // there are more addresses, otherwise, if there are any more
+        // chars, then there is another address.
+        if ($is_group && substr($address, 0, 1) == ','){
+            $address = trim(substr($address, 1));
+            return $address;
+
+        } elseif (strlen($address) > 0) {
+            return $address;
+
+        } else {
+            return '';
+        }
+
+        // If you got here then something's off
+        return false;
+    }
+
+    /**
+     * Checks for a group at the start of the string.
+     *
+     * @access private
+     * @param string $address The address to check.
+     * @return boolean Whether or not there is a group at the start of the string.
+     */
+    function _isGroup($address)
+    {
+        // First comma not in quotes, angles or escaped:
+        $parts  = explode(',', $address);
+        $string = $this->_splitCheck($parts, ',');
+
+        // Now we have the first address, we can reliably check for a
+        // group by searching for a colon that's not escaped or in
+        // quotes or angle brackets.
+        if (count($parts = explode(':', $string)) > 1) {
+            $string2 = $this->_splitCheck($parts, ':');
+            return ($string2 !== $string);
+        } else {
+            return false;
+        }
+    }
+
+    /**
+     * A common function that will check an exploded string.
+     *
+     * @access private
+     * @param array $parts The exloded string.
+     * @param string $char  The char that was exploded on.
+     * @return mixed False if the string contains unclosed quotes/brackets, or the string on success.
+     */
+    function _splitCheck($parts, $char)
+    {
+        $string = $parts[0];
+
+        for ($i = 0; $i < count($parts); $i++) {
+            if ($this->_hasUnclosedQuotes($string)
+                || $this->_hasUnclosedBrackets($string, '<>')
+                || $this->_hasUnclosedBrackets($string, '[]')
+                || $this->_hasUnclosedBrackets($string, '()')
+                || substr($string, -1) == '\\') {
+                if (isset($parts[$i + 1])) {
+                    $string = $string . $char . $parts[$i + 1];
+                } else {
+                    $this->error = 'Invalid address spec. Unclosed bracket or quotes';
+                    return false;
+                }
+            } else {
+                $this->index = $i;
+                break;
+            }
+        }
+
+        return $string;
+    }
+
+    /**
+     * Checks if a string has an unclosed quotes or not.
+     *
+     * @access private
+     * @param string $string The string to check.
+     * @return boolean True if there are unclosed quotes inside the string, false otherwise.
+     */
+    function _hasUnclosedQuotes($string)
+    {
+        $string     = explode('"', $string);
+        $string_cnt = count($string);
+
+        for ($i = 0; $i < (count($string) - 1); $i++)
+            if (substr($string[$i], -1) == '\\')
+                $string_cnt--;
+
+        return ($string_cnt % 2 === 0);
+    }
+
+    /**
+     * Checks if a string has an unclosed brackets or not. IMPORTANT:
+     * This function handles both angle brackets and square brackets;
+     *
+     * @access private
+     * @param string $string The string to check.
+     * @param string $chars  The characters to check for.
+     * @return boolean True if there are unclosed brackets inside the string, false otherwise.
+     */
+    function _hasUnclosedBrackets($string, $chars)
+    {
+        $num_angle_start = substr_count($string, $chars[0]);
+        $num_angle_end   = substr_count($string, $chars[1]);
+
+        $this->_hasUnclosedBracketsSub($string, $num_angle_start, $chars[0]);
+        $this->_hasUnclosedBracketsSub($string, $num_angle_end, $chars[1]);
+
+        if ($num_angle_start < $num_angle_end) {
+            $this->error = 'Invalid address spec. Unmatched quote or bracket (' . $chars . ')';
+            return false;
+        } else {
+            return ($num_angle_start > $num_angle_end);
+        }
+    }
+
+    /**
+     * Sub function that is used only by hasUnclosedBrackets().
+     *
+     * @access private
+     * @param string $string The string to check.
+     * @param integer &$num    The number of occurences.
+     * @param string $char   The character to count.
+     * @return integer The number of occurences of $char in $string, adjusted for backslashes.
+     */
+    function _hasUnclosedBracketsSub($string, &$num, $char)
+    {
+        $parts = explode($char, $string);
+        for ($i = 0; $i < count($parts); $i++){
+            if (substr($parts[$i], -1) == '\\' || $this->_hasUnclosedQuotes($parts[$i]))
+                $num--;
+            if (isset($parts[$i + 1]))
+                $parts[$i + 1] = $parts[$i] . $char . $parts[$i + 1];
+        }
+
+        return $num;
+    }
+
+    /**
+     * Function to begin checking the address.
+     *
+     * @access private
+     * @param string $address The address to validate.
+     * @return mixed False on failure, or a structured array of address information on success.
+     */
+    function _validateAddress($address)
+    {
+        $is_group = false;
+        $addresses = array();
+
+        if ($address['group']) {
+            $is_group = true;
+
+            // Get the group part of the name
+            $parts     = explode(':', $address['address']);
+            $groupname = $this->_splitCheck($parts, ':');
+            $structure = array();
+
+            // And validate the group part of the name.
+            if (!$this->_validatePhrase($groupname)){
+                $this->error = 'Group name did not validate.';
+                return false;
+            } else {
+                // Don't include groups if we are not nesting
+                // them. This avoids returning invalid addresses.
+                if ($this->nestGroups) {
+                    $structure = new stdClass;
+                    $structure->groupname = $groupname;
+                }
+            }
+
+            $address['address'] = ltrim(substr($address['address'], strlen($groupname . ':')));
+        }
+
+        // If a group then split on comma and put into an array.
+        // Otherwise, Just put the whole address in an array.
+        if ($is_group) {
+            while (strlen($address['address']) > 0) {
+                $parts       = explode(',', $address['address']);
+                $addresses[] = $this->_splitCheck($parts, ',');
+                $address['address'] = trim(substr($address['address'], strlen(end($addresses) . ',')));
+            }
+        } else {
+            $addresses[] = $address['address'];
+        }
+
+        // Check that $addresses is set, if address like this:
+        // Groupname:;
+        // Then errors were appearing.
+        if (!count($addresses)){
+            $this->error = 'Empty group.';
+            return false;
+        }
+
+        // Trim the whitespace from all of the address strings.
+        array_map('trim', $addresses);
+
+        // Validate each mailbox.
+        // Format could be one of: name <geezer@domain.com>
+        //                         geezer@domain.com
+        //                         geezer
+        // ... or any other format valid by RFC 822.
+        for ($i = 0; $i < count($addresses); $i++) {
+            if (!$this->validateMailbox($addresses[$i])) {
+                if (empty($this->error)) {
+                    $this->error = 'Validation failed for: ' . $addresses[$i];
+                }
+                return false;
+            }
+        }
+
+        // Nested format
+        if ($this->nestGroups) {
+            if ($is_group) {
+                $structure->addresses = $addresses;
+            } else {
+                $structure = $addresses[0];
+            }
+
+        // Flat format
+        } else {
+            if ($is_group) {
+                $structure = array_merge($structure, $addresses);
+            } else {
+                $structure = $addresses;
+            }
+        }
+
+        return $structure;
+    }
+
+    /**
+     * Function to validate a phrase.
+     *
+     * @access private
+     * @param string $phrase The phrase to check.
+     * @return boolean Success or failure.
+     */
+    function _validatePhrase($phrase)
+    {
+        // Splits on one or more Tab or space.
+        $parts = preg_split('/[ \\x09]+/', $phrase, -1, PREG_SPLIT_NO_EMPTY);
+
+        $phrase_parts = array();
+        while (count($parts) > 0){
+            $phrase_parts[] = $this->_splitCheck($parts, ' ');
+            for ($i = 0; $i < $this->index + 1; $i++)
+                array_shift($parts);
+        }
+
+        foreach ($phrase_parts as $part) {
+            // If quoted string:
+            if (substr($part, 0, 1) == '"') {
+                if (!$this->_validateQuotedString($part)) {
+                    return false;
+                }
+                continue;
+            }
+
+            // Otherwise it's an atom:
+            if (!$this->_validateAtom($part)) return false;
+        }
+
+        return true;
+    }
+
+    /**
+     * Function to validate an atom which from rfc822 is:
+     * atom = 1*<any CHAR except specials, SPACE and CTLs>
+     *
+     * If validation ($this->validate) has been turned off, then
+     * validateAtom() doesn't actually check anything. This is so that you
+     * can split a list of addresses up before encoding personal names
+     * (umlauts, etc.), for example.
+     *
+     * @access private
+     * @param string $atom The string to check.
+     * @return boolean Success or failure.
+     */
+    function _validateAtom($atom)
+    {
+        if (!$this->validate) {
+            // Validation has been turned off; assume the atom is okay.
+            return true;
+        }
+
+        // Check for any char from ASCII 0 - ASCII 127
+        if (!preg_match('/^[\\x00-\\x7E]+$/i', $atom, $matches)) {
+            return false;
+        }
+
+        // Check for specials:
+        if (preg_match('/[][()<>@,;\\:". ]/', $atom)) {
+            return false;
+        }
+
+        // Check for control characters (ASCII 0-31):
+        if (preg_match('/[\\x00-\\x1F]+/', $atom)) {
+            return false;
+        }
+
+        return true;
+    }
+
+    /**
+     * Function to validate quoted string, which is:
+     * quoted-string = <"> *(qtext/quoted-pair) <">
+     *
+     * @access private
+     * @param string $qstring The string to check
+     * @return boolean Success or failure.
+     */
+    function _validateQuotedString($qstring)
+    {
+        // Leading and trailing "
+        $qstring = substr($qstring, 1, -1);
+
+        // Perform check, removing quoted characters first.
+        return !preg_match('/[\x0D\\\\"]/', preg_replace('/\\\\./', '', $qstring));
+    }
+
+    /**
+     * Function to validate a mailbox, which is:
+     * mailbox =   addr-spec         ; simple address
+     *           / phrase route-addr ; name and route-addr
+     *
+     * @access public
+     * @param string &$mailbox The string to check.
+     * @return boolean Success or failure.
+     */
+    function validateMailbox(&$mailbox)
+    {
+        // A couple of defaults.
+        $phrase  = '';
+        $comment = '';
+        $comments = array();
+
+        // Catch any RFC822 comments and store them separately.
+        $_mailbox = $mailbox;
+        while (strlen(trim($_mailbox)) > 0) {
+            $parts = explode('(', $_mailbox);
+            $before_comment = $this->_splitCheck($parts, '(');
+            if ($before_comment != $_mailbox) {
+                // First char should be a (.
+                $comment    = substr(str_replace($before_comment, '', $_mailbox), 1);
+                $parts      = explode(')', $comment);
+                $comment    = $this->_splitCheck($parts, ')');
+                $comments[] = $comment;
+
+                // +1 is for the trailing )
+                $_mailbox   = substr($_mailbox, strpos($_mailbox, $comment)+strlen($comment)+1);
+            } else {
+                break;
+            }
+        }
+
+        foreach ($comments as $comment) {
+            $mailbox = str_replace("($comment)", '', $mailbox);
+        }
+
+        $mailbox = trim($mailbox);
+
+        // Check for name + route-addr
+        if (substr($mailbox, -1) == '>' && substr($mailbox, 0, 1) != '<') {
+            $parts  = explode('<', $mailbox);
+            $name   = $this->_splitCheck($parts, '<');
+
+            $phrase     = trim($name);
+            $route_addr = trim(substr($mailbox, strlen($name.'<'), -1));
+
+            if ($this->_validatePhrase($phrase) === false || ($route_addr = $this->_validateRouteAddr($route_addr)) === false) {
+                return false;
+            }
+
+        // Only got addr-spec
+        } else {
+            // First snip angle brackets if present.
+            if (substr($mailbox, 0, 1) == '<' && substr($mailbox, -1) == '>') {
+                $addr_spec = substr($mailbox, 1, -1);
+            } else {
+                $addr_spec = $mailbox;
+            }
+
+            if (($addr_spec = $this->_validateAddrSpec($addr_spec)) === false) {
+                return false;
+            }
+        }
+
+        // Construct the object that will be returned.
+        $mbox = new stdClass();
+
+        // Add the phrase (even if empty) and comments
+        $mbox->personal = $phrase;
+        $mbox->comment  = isset($comments) ? $comments : array();
+
+        if (isset($route_addr)) {
+            $mbox->mailbox = $route_addr['local_part'];
+            $mbox->host    = $route_addr['domain'];
+            $route_addr['adl'] !== '' ? $mbox->adl = $route_addr['adl'] : '';
+        } else {
+            $mbox->mailbox = $addr_spec['local_part'];
+            $mbox->host    = $addr_spec['domain'];
+        }
+
+        $mailbox = $mbox;
+        return true;
+    }
+
+    /**
+     * This function validates a route-addr which is:
+     * route-addr = "<" [route] addr-spec ">"
+     *
+     * Angle brackets have already been removed at the point of
+     * getting to this function.
+     *
+     * @access private
+     * @param string $route_addr The string to check.
+     * @return mixed False on failure, or an array containing validated address/route information on success.
+     */
+    function _validateRouteAddr($route_addr)
+    {
+        // Check for colon.
+        if (strpos($route_addr, ':') !== false) {
+            $parts = explode(':', $route_addr);
+            $route = $this->_splitCheck($parts, ':');
+        } else {
+            $route = $route_addr;
+        }
+
+        // If $route is same as $route_addr then the colon was in
+        // quotes or brackets or, of course, non existent.
+        if ($route === $route_addr){
+            unset($route);
+            $addr_spec = $route_addr;
+            if (($addr_spec = $this->_validateAddrSpec($addr_spec)) === false) {
+                return false;
+            }
+        } else {
+            // Validate route part.
+            if (($route = $this->_validateRoute($route)) === false) {
+                return false;
+            }
+
+            $addr_spec = substr($route_addr, strlen($route . ':'));
+
+            // Validate addr-spec part.
+            if (($addr_spec = $this->_validateAddrSpec($addr_spec)) === false) {
+                return false;
+            }
+        }
+
+        if (isset($route)) {
+            $return['adl'] = $route;
+        } else {
+            $return['adl'] = '';
+        }
+
+        $return = array_merge($return, $addr_spec);
+        return $return;
+    }
+
+    /**
+     * Function to validate a route, which is:
+     * route = 1#("@" domain) ":"
+     *
+     * @access private
+     * @param string $route The string to check.
+     * @return mixed False on failure, or the validated $route on success.
+     */
+    function _validateRoute($route)
+    {
+        // Split on comma.
+        $domains = explode(',', trim($route));
+
+        foreach ($domains as $domain) {
+            $domain = str_replace('@', '', trim($domain));
+            if (!$this->_validateDomain($domain)) return false;
+        }
+
+        return $route;
+    }
+
+    /**
+     * Function to validate a domain, though this is not quite what
+     * you expect of a strict internet domain.
+     *
+     * domain = sub-domain *("." sub-domain)
+     *
+     * @access private
+     * @param string $domain The string to check.
+     * @return mixed False on failure, or the validated domain on success.
+     */
+    function _validateDomain($domain)
+    {
+        // Note the different use of $subdomains and $sub_domains
+        $subdomains = explode('.', $domain);
+
+        while (count($subdomains) > 0) {
+            $sub_domains[] = $this->_splitCheck($subdomains, '.');
+            for ($i = 0; $i < $this->index + 1; $i++)
+                array_shift($subdomains);
+        }
+
+        foreach ($sub_domains as $sub_domain) {
+            if (!$this->_validateSubdomain(trim($sub_domain)))
+                return false;
+        }
+
+        // Managed to get here, so return input.
+        return $domain;
+    }
+
+    /**
+     * Function to validate a subdomain:
+     *   subdomain = domain-ref / domain-literal
+     *
+     * @access private
+     * @param string $subdomain The string to check.
+     * @return boolean Success or failure.
+     */
+    function _validateSubdomain($subdomain)
+    {
+        if (preg_match('|^\[(.*)]$|', $subdomain, $arr)){
+            if (!$this->_validateDliteral($arr[1])) return false;
+        } else {
+            if (!$this->_validateAtom($subdomain)) return false;
+        }
+
+        // Got here, so return successful.
+        return true;
+    }
+
+    /**
+     * Function to validate a domain literal:
+     *   domain-literal =  "[" *(dtext / quoted-pair) "]"
+     *
+     * @access private
+     * @param string $dliteral The string to check.
+     * @return boolean Success or failure.
+     */
+    function _validateDliteral($dliteral)
+    {
+        return !preg_match('/(.)[][\x0D\\\\]/', $dliteral, $matches) && $matches[1] != '\\';
+    }
+
+    /**
+     * Function to validate an addr-spec.
+     *
+     * addr-spec = local-part "@" domain
+     *
+     * @access private
+     * @param string $addr_spec The string to check.
+     * @return mixed False on failure, or the validated addr-spec on success.
+     */
+    function _validateAddrSpec($addr_spec)
+    {
+        $addr_spec = trim($addr_spec);
+
+        // Split on @ sign if there is one.
+        if (strpos($addr_spec, '@') !== false) {
+            $parts      = explode('@', $addr_spec);
+            $local_part = $this->_splitCheck($parts, '@');
+            $domain     = substr($addr_spec, strlen($local_part . '@'));
+
+        // No @ sign so assume the default domain.
+        } else {
+            $local_part = $addr_spec;
+            $domain     = $this->default_domain;
+        }
+
+        if (($local_part = $this->_validateLocalPart($local_part)) === false) return false;
+        if (($domain     = $this->_validateDomain($domain)) === false) return false;
+
+        // Got here so return successful.
+        return array('local_part' => $local_part, 'domain' => $domain);
+    }
+
+    /**
+     * Function to validate the local part of an address:
+     *   local-part = word *("." word)
+     *
+     * @access private
+     * @param string $local_part
+     * @return mixed False on failure, or the validated local part on success.
+     */
+    function _validateLocalPart($local_part)
+    {
+        $parts = explode('.', $local_part);
+        $words = array();
+
+        // Split the local_part into words.
+        while (count($parts) > 0){
+            $words[] = $this->_splitCheck($parts, '.');
+            for ($i = 0; $i < $this->index + 1; $i++) {
+                array_shift($parts);
+            }
+        }
+
+        // Validate each word.
+        foreach ($words as $word) {
+            // If this word contains an unquoted space, it is invalid. (6.2.4)
+            if (strpos($word, ' ') && $word[0] !== '"')
+            {
+                return false;
+            }
+
+            if ($this->_validatePhrase(trim($word)) === false) return false;
+        }
+
+        // Managed to get here, so return the input.
+        return $local_part;
+    }
+
+    /**
+     * Returns an approximate count of how many addresses are in the
+     * given string. This is APPROXIMATE as it only splits based on a
+     * comma which has no preceding backslash. Could be useful as
+     * large amounts of addresses will end up producing *large*
+     * structures when used with parseAddressList().
+     *
+     * @param  string $data Addresses to count
+     * @return int          Approximate count
+     */
+    function approximateCount($data)
+    {
+        return count(preg_split('/(?<!\\\\),/', $data));
+    }
+
+    /**
+     * This is a email validating function separate to the rest of the
+     * class. It simply validates whether an email is of the common
+     * internet form: <user>@<domain>. This can be sufficient for most
+     * people. Optional stricter mode can be utilised which restricts
+     * mailbox characters allowed to alphanumeric, full stop, hyphen
+     * and underscore.
+     *
+     * @param  string  $data   Address to check
+     * @param  boolean $strict Optional stricter mode
+     * @return mixed           False if it fails, an indexed array
+     *                         username/domain if it matches
+     */
+    function isValidInetAddress($data, $strict = false)
+    {
+        $regex = $strict ? '/^([.0-9a-z_+-]+)@(([0-9a-z-]+\.)+[0-9a-z]{2,})$/i' : '/^([*+!.&#$|\'\\%\/0-9a-z^_`{}=?~:-]+)@(([0-9a-z-]+\.)+[0-9a-z]{2,})$/i';
+        if (preg_match($regex, trim($data), $matches)) {
+            return array($matches[1], $matches[2]);
+        } else {
+            return false;
+        }
+    }
+
+}
Index: branches/feature-module-update/data/module/Mail/mimeDecode.php
===================================================================
--- branches/feature-module-update/data/module/Mail/mimeDecode.php	(revision 15532)
+++ branches/feature-module-update/data/module/Mail/mimeDecode.php	(revision 16300)
@@ -70,6 +70,6 @@
 		> 
 		> function decode_utf8($txt) {
-		> $trans=array("?#8216;"=>"探","撤"=>"短","?"=>"?#8226;","徹"
-		=>"?#8250;");
+		> $trans=array("Å&#8216;"=>"Ãµ","Å±"=>"Ã»","Å"=>"Ã&#8226;","Å°"
+		=>"Ã&#8250;");
 		> $txt=strtr($txt,$trans);
 		> return(utf8_decode($txt));
