From 07f5140771388c9e0c8a99b0dd2e5d950bdb173b Mon Sep 17 00:00:00 2001
From: Yuchen Pei <hi@ypei.me>
Date: Thu, 14 Oct 2021 15:16:42 +1100
Subject: moving h-source subdir out.

---
 .../lib/classes/Swift/Plugins/AntiFloodPlugin.php  | 147 +++++++++++
 .../Swift/Plugins/BandwidthMonitorPlugin.php       | 173 +++++++++++++
 .../Swift/Plugins/Decorator/Replacements.php       |  36 +++
 .../lib/classes/Swift/Plugins/DecoratorPlugin.php  | 201 ++++++++++++++
 .../lib/classes/Swift/Plugins/Logger.php           |  37 +++
 .../lib/classes/Swift/Plugins/LoggerPlugin.php     | 160 ++++++++++++
 .../classes/Swift/Plugins/Loggers/ArrayLogger.php  |  73 ++++++
 .../classes/Swift/Plugins/Loggers/EchoLogger.php   |  64 +++++
 .../classes/Swift/Plugins/Pop/Pop3Connection.php   |  36 +++
 .../classes/Swift/Plugins/Pop/Pop3Exception.php    |  34 +++
 .../classes/Swift/Plugins/PopBeforeSmtpPlugin.php  | 288 +++++++++++++++++++++
 .../lib/classes/Swift/Plugins/Reporter.php         |  36 +++
 .../lib/classes/Swift/Plugins/ReporterPlugin.php   |  82 ++++++
 .../Swift/Plugins/Reporters/HitReporter.php        |  63 +++++
 .../Swift/Plugins/Reporters/HtmlReporter.php       |  47 ++++
 .../lib/classes/Swift/Plugins/Sleeper.php          |  26 ++
 .../lib/classes/Swift/Plugins/ThrottlerPlugin.php  | 188 ++++++++++++++
 .../lib/classes/Swift/Plugins/Timer.php            |  26 ++
 18 files changed, 1717 insertions(+)
 create mode 100755 External/swiftmailer/lib/classes/Swift/Plugins/AntiFloodPlugin.php
 create mode 100755 External/swiftmailer/lib/classes/Swift/Plugins/BandwidthMonitorPlugin.php
 create mode 100755 External/swiftmailer/lib/classes/Swift/Plugins/Decorator/Replacements.php
 create mode 100755 External/swiftmailer/lib/classes/Swift/Plugins/DecoratorPlugin.php
 create mode 100755 External/swiftmailer/lib/classes/Swift/Plugins/Logger.php
 create mode 100755 External/swiftmailer/lib/classes/Swift/Plugins/LoggerPlugin.php
 create mode 100755 External/swiftmailer/lib/classes/Swift/Plugins/Loggers/ArrayLogger.php
 create mode 100755 External/swiftmailer/lib/classes/Swift/Plugins/Loggers/EchoLogger.php
 create mode 100755 External/swiftmailer/lib/classes/Swift/Plugins/Pop/Pop3Connection.php
 create mode 100755 External/swiftmailer/lib/classes/Swift/Plugins/Pop/Pop3Exception.php
 create mode 100755 External/swiftmailer/lib/classes/Swift/Plugins/PopBeforeSmtpPlugin.php
 create mode 100755 External/swiftmailer/lib/classes/Swift/Plugins/Reporter.php
 create mode 100755 External/swiftmailer/lib/classes/Swift/Plugins/ReporterPlugin.php
 create mode 100755 External/swiftmailer/lib/classes/Swift/Plugins/Reporters/HitReporter.php
 create mode 100755 External/swiftmailer/lib/classes/Swift/Plugins/Reporters/HtmlReporter.php
 create mode 100755 External/swiftmailer/lib/classes/Swift/Plugins/Sleeper.php
 create mode 100755 External/swiftmailer/lib/classes/Swift/Plugins/ThrottlerPlugin.php
 create mode 100755 External/swiftmailer/lib/classes/Swift/Plugins/Timer.php

(limited to 'External/swiftmailer/lib/classes/Swift/Plugins')

diff --git a/External/swiftmailer/lib/classes/Swift/Plugins/AntiFloodPlugin.php b/External/swiftmailer/lib/classes/Swift/Plugins/AntiFloodPlugin.php
new file mode 100755
index 0000000..46a7f44
--- /dev/null
+++ b/External/swiftmailer/lib/classes/Swift/Plugins/AntiFloodPlugin.php
@@ -0,0 +1,147 @@
+<?php
+
+/*
+ * This file is part of SwiftMailer.
+ * (c) 2004-2009 Chris Corbyn
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+//@require 'Swift/Events/SendListener.php';
+//@require 'Swift/Events/SendEvent.php';
+//@require 'Swift/Plugins/Sleeper.php';
+
+/**
+ * Reduces network flooding when sending large amounts of mail.
+ * @package Swift
+ * @subpackage Plugins
+ * @author Chris Corbyn
+ */
+class Swift_Plugins_AntiFloodPlugin
+  implements Swift_Events_SendListener, Swift_Plugins_Sleeper
+{
+  
+  /**
+   * The number of emails to send before restarting Transport.
+   * @var int
+   * @access private
+   */
+  private $_threshold;
+  
+  /**
+   * The number of seconds to sleep for during a restart.
+   * @var int
+   * @access private
+   */
+  private $_sleep;
+  
+  /**
+   * The internal counter.
+   * @var int
+   * @access private
+   */
+  private $_counter = 0;
+  
+  /**
+   * The Sleeper instance for sleeping.
+   * @var Swift_Plugins_Sleeper
+   * @access private
+   */
+  private $_sleeper;
+  
+  /**
+   * Create a new AntiFloodPlugin with $threshold and $sleep time.
+   * @param int $threshold
+   * @param int $sleep time
+   * @param Swift_Plugins_Sleeper $sleeper (not needed really)
+   */
+  public function __construct($threshold = 99, $sleep = 0,
+    Swift_Plugins_Sleeper $sleeper = null)
+  {
+    $this->setThreshold($threshold);
+    $this->setSleepTime($sleep);
+    $this->_sleeper = $sleeper;
+  }
+  
+  /**
+   * Set the number of emails to send before restarting.
+   * @param int $threshold
+   */
+  public function setThreshold($threshold)
+  {
+    $this->_threshold = $threshold;
+  }
+  
+  /**
+   * Get the number of emails to send before restarting.
+   * @return int
+   */
+  public function getThreshold()
+  {
+    return $this->_threshold;
+  }
+  
+  /**
+   * Set the number of seconds to sleep for during a restart.
+   * @param int $sleep time
+   */
+  public function setSleepTime($sleep)
+  {
+    $this->_sleep = $sleep;
+  }
+  
+  /**
+   * Get the number of seconds to sleep for during a restart.
+   * @return int
+   */
+  public function getSleepTime()
+  {
+    return $this->_sleep;
+  }
+  
+  /**
+   * Invoked immediately before the Message is sent.
+   * @param Swift_Events_SendEvent $evt
+   */
+  public function beforeSendPerformed(Swift_Events_SendEvent $evt)
+  {
+  }
+  
+  /**
+   * Invoked immediately after the Message is sent.
+   * @param Swift_Events_SendEvent $evt
+   */
+  public function sendPerformed(Swift_Events_SendEvent $evt)
+  {
+    ++$this->_counter;
+    if ($this->_counter >= $this->_threshold)
+    {
+      $transport = $evt->getTransport();
+      $transport->stop();
+      if ($this->_sleep)
+      {
+        $this->sleep($this->_sleep);
+      }
+      $transport->start();
+      $this->_counter = 0;
+    }
+  }
+  
+  /**
+   * Sleep for $seconds.
+   * @param int $seconds
+   */
+  public function sleep($seconds)
+  {
+    if (isset($this->_sleeper))
+    {
+      $this->_sleeper->sleep($seconds);
+    }
+    else
+    {
+      sleep($seconds);
+    }
+  }
+  
+}
diff --git a/External/swiftmailer/lib/classes/Swift/Plugins/BandwidthMonitorPlugin.php b/External/swiftmailer/lib/classes/Swift/Plugins/BandwidthMonitorPlugin.php
new file mode 100755
index 0000000..501cd80
--- /dev/null
+++ b/External/swiftmailer/lib/classes/Swift/Plugins/BandwidthMonitorPlugin.php
@@ -0,0 +1,173 @@
+<?php
+
+/*
+ * This file is part of SwiftMailer.
+ * (c) 2004-2009 Chris Corbyn
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+//@require 'Swift/Events/SendListener.php';
+//@require 'Swift/Events/SendEvent.php';
+//@require 'Swift/Events/CommandListener.php';
+//@require 'Swift/Events/CommandEvent.php';
+//@require 'Swift/Events/ResponseListener.php';
+//@require 'Swift/Events/ResponseEvent.php';
+//@require 'Swift/InputByteStream.php';
+
+/**
+ * Reduces network flooding when sending large amounts of mail.
+ * @package Swift
+ * @subpackage Plugins
+ * @author Chris Corbyn
+ */
+class Swift_Plugins_BandwidthMonitorPlugin
+  implements Swift_Events_SendListener, Swift_Events_CommandListener,
+  Swift_Events_ResponseListener, Swift_InputByteStream
+{
+  
+  /**
+   * The outgoing traffic counter.
+   * @var int
+   * @access private
+   */
+  private $_out = 0;
+  
+  /**
+   * The incoming traffic counter.
+   * @var int
+   * @access private
+   */
+  private $_in = 0;
+  
+  /** Bound byte streams */
+  private $_mirrors = array();
+  
+  /**
+   * Not used.
+   */
+  public function beforeSendPerformed(Swift_Events_SendEvent $evt)
+  {
+  }
+  
+  /**
+   * Invoked immediately after the Message is sent.
+   * @param Swift_Events_SendEvent $evt
+   */
+  public function sendPerformed(Swift_Events_SendEvent $evt)
+  {
+    $message = $evt->getMessage();
+    $message->toByteStream($this);
+  }
+  
+  /**
+   * Invoked immediately following a command being sent.
+   * @param Swift_Events_ResponseEvent $evt
+   */
+  public function commandSent(Swift_Events_CommandEvent $evt)
+  {
+    $command = $evt->getCommand();
+    $this->_out += strlen($command);
+  }
+  
+  /**
+   * Invoked immediately following a response coming back.
+   * @param Swift_Events_ResponseEvent $evt
+   */
+  public function responseReceived(Swift_Events_ResponseEvent $evt)
+  {
+    $response = $evt->getResponse();
+    $this->_in += strlen($response);
+  }
+  
+  /**
+   * Called when a message is sent so that the outgoing counter can be increased.
+   * @param string $bytes
+   */
+  public function write($bytes)
+  {
+    $this->_out += strlen($bytes);
+    foreach ($this->_mirrors as $stream)
+    {
+      $stream->write($bytes);
+    }
+  }
+  
+  /**
+   * Not used.
+   */
+  public function commit()
+  {
+  }
+  
+  /**
+   * Attach $is to this stream.
+   * The stream acts as an observer, receiving all data that is written.
+   * All {@link write()} and {@link flushBuffers()} operations will be mirrored.
+   * 
+   * @param Swift_InputByteStream $is
+   */
+  public function bind(Swift_InputByteStream $is)
+  {
+    $this->_mirrors[] = $is;
+  }
+  
+  /**
+   * Remove an already bound stream.
+   * If $is is not bound, no errors will be raised.
+   * If the stream currently has any buffered data it will be written to $is
+   * before unbinding occurs.
+   * 
+   * @param Swift_InputByteStream $is
+   */
+  public function unbind(Swift_InputByteStream $is)
+  {
+    foreach ($this->_mirrors as $k => $stream)
+    {
+      if ($is === $stream)
+      {
+        unset($this->_mirrors[$k]);
+      }
+    }
+  }
+  
+  /**
+   * Not used.
+   */
+  public function flushBuffers()
+  {
+    foreach ($this->_mirrors as $stream)
+    {
+      $stream->flushBuffers();
+    }
+  }
+  
+  /**
+   * Get the total number of bytes sent to the server.
+   * @return int
+   */
+  public function getBytesOut()
+  {
+    return $this->_out;
+  }
+  
+  /**
+   * Get the total number of bytes received from the server.
+   * @return int
+   */
+  public function getBytesIn()
+  {
+    return $this->_in;
+  }
+  
+  /**
+   * Reset the internal counters to zero.
+   */
+  public function reset()
+  {
+    $this->_out = 0;
+    $this->_in = 0;
+  }
+  
+}
diff --git a/External/swiftmailer/lib/classes/Swift/Plugins/Decorator/Replacements.php b/External/swiftmailer/lib/classes/Swift/Plugins/Decorator/Replacements.php
new file mode 100755
index 0000000..9735d0a
--- /dev/null
+++ b/External/swiftmailer/lib/classes/Swift/Plugins/Decorator/Replacements.php
@@ -0,0 +1,36 @@
+<?php
+
+/*
+ * This file is part of SwiftMailer.
+ * (c) 2004-2009 Chris Corbyn
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+/**
+ * Allows customization of Messages on-the-fly.
+ * 
+ * @package Swift
+ * @subpackage Plugins
+ * 
+ * @author Chris Corbyn
+ */
+interface Swift_Plugins_Decorator_Replacements
+{
+  
+  /**
+   * Return the array of replacements for $address.
+   * 
+   * This method is invoked once for every single recipient of a message.
+   * 
+   * If no replacements can be found, an empty value (NULL) should be returned
+   * and no replacements will then be made on the message.
+   * 
+   * @param string $address
+   * 
+   * @return array
+   */
+  public function getReplacementsFor($address);
+  
+}
diff --git a/External/swiftmailer/lib/classes/Swift/Plugins/DecoratorPlugin.php b/External/swiftmailer/lib/classes/Swift/Plugins/DecoratorPlugin.php
new file mode 100755
index 0000000..da1a307
--- /dev/null
+++ b/External/swiftmailer/lib/classes/Swift/Plugins/DecoratorPlugin.php
@@ -0,0 +1,201 @@
+<?php
+
+/*
+ * This file is part of SwiftMailer.
+ * (c) 2004-2009 Chris Corbyn
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+//@require 'Swift/Events/SendListener.php';
+//@require 'Swift/Events/SendEvent.php';
+//@require 'Swift/Plugins/Decorator/Replacements.php';
+
+/**
+ * Allows customization of Messages on-the-fly.
+ * 
+ * @package Swift
+ * @subpackage Plugins
+ * 
+ * @author Chris Corbyn
+ */
+class Swift_Plugins_DecoratorPlugin
+  implements Swift_Events_SendListener, Swift_Plugins_Decorator_Replacements
+{
+
+  /** The replacement map */
+  private $_replacements;
+  
+  /** The body as it was before replacements */
+  private $_orginalBody;
+
+  /** The original subject of the message, before replacements */
+  private $_originalSubject;
+
+  /** Bodies of children before they are replaced */
+  private $_originalChildBodies = array();
+
+  /** The Message that was last replaced */
+  private $_lastMessage;
+
+  /**
+   * Create a new DecoratorPlugin with $replacements.
+   * 
+   * The $replacements can either be an associative array, or an implementation
+   * of {@link Swift_Plugins_Decorator_Replacements}.
+   * 
+   * When using an array, it should be of the form:
+   * <code>
+   * $replacements = array(
+   *  "address1@domain.tld" => array("{a}" => "b", "{c}" => "d"),
+   *  "address2@domain.tld" => array("{a}" => "x", "{c}" => "y")
+   * )
+   * </code>
+   * 
+   * When using an instance of {@link Swift_Plugins_Decorator_Replacements},
+   * the object should return just the array of replacements for the address
+   * given to {@link Swift_Plugins_Decorator_Replacements::getReplacementsFor()}.
+   * 
+   * @param mixed $replacements
+   */
+  public function __construct($replacements)
+  {
+    if (!($replacements instanceof Swift_Plugins_Decorator_Replacements))
+    {
+      $this->_replacements = (array) $replacements;
+    }
+    else
+    {
+      $this->_replacements = $replacements;
+    }
+  }
+
+  /**
+   * Invoked immediately before the Message is sent.
+   * 
+   * @param Swift_Events_SendEvent $evt
+   */
+  public function beforeSendPerformed(Swift_Events_SendEvent $evt)
+  {
+    $message = $evt->getMessage();
+    $this->_restoreMessage($message);
+    $to = array_keys($message->getTo());
+    $address = array_shift($to);
+    if ($replacements = $this->getReplacementsFor($address))
+    {
+      $body = $message->getBody();
+      $search = array_keys($replacements);
+      $replace = array_values($replacements);
+      $bodyReplaced = str_replace(
+        $search, $replace, $body
+        );
+      if ($body != $bodyReplaced)
+      {
+        $this->_originalBody = $body;
+        $message->setBody($bodyReplaced);
+      }
+      $subject = $message->getSubject();
+      $subjectReplaced = str_replace(
+        $search, $replace, $subject
+        );
+      if ($subject != $subjectReplaced)
+      {
+        $this->_originalSubject = $subject;
+        $message->setSubject($subjectReplaced);
+      }
+      $children = (array) $message->getChildren();
+      foreach ($children as $child)
+      {
+        list($type, ) = sscanf($child->getContentType(), '%[^/]/%s');
+        if ('text' == $type)
+        {
+          $body = $child->getBody();
+          $bodyReplaced = str_replace(
+            $search, $replace, $body
+            );
+          if ($body != $bodyReplaced)
+          {
+            $child->setBody($bodyReplaced);
+            $this->_originalChildBodies[$child->getId()] = $body;
+          }
+        }
+      }
+      $this->_lastMessage = $message;
+    }
+  }
+  
+  /**
+   * Find a map of replacements for the address.
+   * 
+   * If this plugin was provided with a delegate instance of
+   * {@link Swift_Plugins_Decorator_Replacements} then the call will be
+   * delegated to it.  Otherwise, it will attempt to find the replacements
+   * from the array provided in the constructor.
+   * 
+   * If no replacements can be found, an empty value (NULL) is returned.
+   * 
+   * @param string $address
+   * 
+   * @return array
+   */
+  public function getReplacementsFor($address)
+  {
+    if ($this->_replacements instanceof Swift_Plugins_Decorator_Replacements)
+    {
+      return $this->_replacements->getReplacementsFor($address);
+    }
+    else
+    {
+      return isset($this->_replacements[$address])
+        ? $this->_replacements[$address]
+        : null
+        ;
+    }
+  }
+
+  /**
+   * Invoked immediately after the Message is sent.
+   * 
+   * @param Swift_Events_SendEvent $evt
+   */
+  public function sendPerformed(Swift_Events_SendEvent $evt)
+  {
+    $this->_restoreMessage($evt->getMessage());
+  }
+
+  // -- Private methods
+
+  /** Restore a changed message back to its original state */
+  private function _restoreMessage(Swift_Mime_Message $message)
+  {
+    if ($this->_lastMessage === $message)
+    {
+      if (isset($this->_originalBody))
+      {
+        $message->setBody($this->_originalBody);
+        $this->_originalBody = null;
+      }
+      if (isset($this->_originalSubject))
+      {
+        $message->setSubject($this->_originalSubject);
+        $this->_originalSubject = null;
+      }
+      if (!empty($this->_originalChildBodies))
+      {
+        $children = (array) $message->getChildren();
+        foreach ($children as $child)
+        {
+          $id = $child->getId();
+          if (array_key_exists($id, $this->_originalChildBodies))
+          {
+            $child->setBody($this->_originalChildBodies[$id]);
+          }
+        }
+        $this->_originalChildBodies = array();
+      }
+      $this->_lastMessage = null;
+    }
+  }
+
+}
diff --git a/External/swiftmailer/lib/classes/Swift/Plugins/Logger.php b/External/swiftmailer/lib/classes/Swift/Plugins/Logger.php
new file mode 100755
index 0000000..9864da0
--- /dev/null
+++ b/External/swiftmailer/lib/classes/Swift/Plugins/Logger.php
@@ -0,0 +1,37 @@
+<?php
+
+/*
+ * This file is part of SwiftMailer.
+ * (c) 2004-2009 Chris Corbyn
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+/**
+ * Logs events in the Transport system.
+ * @package Swift
+ * @subpackage Transport
+ * @author Chris Corbyn
+ */
+interface Swift_Plugins_Logger
+{
+  
+  /**
+   * Add a log entry.
+   * @param string $entry
+   */
+  public function add($entry);
+  
+  /**
+   * Clear the log contents.
+   */
+  public function clear();
+  
+  /**
+   * Get this log as a string.
+   * @return string
+   */
+  public function dump();
+  
+}
diff --git a/External/swiftmailer/lib/classes/Swift/Plugins/LoggerPlugin.php b/External/swiftmailer/lib/classes/Swift/Plugins/LoggerPlugin.php
new file mode 100755
index 0000000..d595f26
--- /dev/null
+++ b/External/swiftmailer/lib/classes/Swift/Plugins/LoggerPlugin.php
@@ -0,0 +1,160 @@
+<?php
+
+/*
+ * This file is part of SwiftMailer.
+ * (c) 2004-2009 Chris Corbyn
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+//@require 'Swift/Events/CommandListener.php';
+//@require 'Swift/Events/CommandEvent.php';
+//@require 'Swift/Events/ResponseListener.php';
+//@require 'Swift/Events/ResponseEvent.php';
+//@require 'Swift/Events/TransportChangeListener.php';
+//@require 'Swift/Events/TransportChangeEvent.php';
+//@require 'Swift/Events/TransportExceptionEvent.php';
+//@require 'Swift/Events/TransportExceptionListener.php';
+//@require 'Swift/Events/TransportException.php';
+//@require 'Swift/Plugins/Logger.php';
+
+/**
+ * Does real time logging of Transport level information.
+ * 
+ * @package Swift
+ * @subpackage Plugins
+ * 
+ * @author Chris Corbyn
+ */
+class Swift_Plugins_LoggerPlugin
+  implements Swift_Events_CommandListener, Swift_Events_ResponseListener,
+  Swift_Events_TransportChangeListener, Swift_Events_TransportExceptionListener,
+  Swift_Plugins_Logger
+{
+  
+  /** The logger which is delegated to */
+  private $_logger;
+  
+  /**
+   * Create a new LoggerPlugin using $logger.
+   * 
+   * @param Swift_Plugins_Logger $logger
+   */
+  public function __construct(Swift_Plugins_Logger $logger)
+  {
+    $this->_logger = $logger;
+  }
+  
+  /**
+   * Add a log entry.
+   * 
+   * @param string $entry
+   */
+  public function add($entry)
+  {
+    $this->_logger->add($entry);
+  }
+  
+  /**
+   * Clear the log contents.
+   */
+  public function clear()
+  {
+    $this->_logger->clear();
+  }
+  
+  /**
+   * Get this log as a string.
+   * 
+   * @return string
+   */
+  public function dump()
+  {
+    return $this->_logger->dump();
+  }
+  
+  /**
+   * Invoked immediately following a command being sent.
+   * 
+   * @param Swift_Events_ResponseEvent $evt
+   */
+  public function commandSent(Swift_Events_CommandEvent $evt)
+  {
+    $command = $evt->getCommand();
+    $this->_logger->add(sprintf(">> %s", $command));
+  }
+  
+  /**
+   * Invoked immediately following a response coming back.
+   * 
+   * @param Swift_Events_ResponseEvent $evt
+   */
+  public function responseReceived(Swift_Events_ResponseEvent $evt)
+  {
+    $response = $evt->getResponse();
+    $this->_logger->add(sprintf("<< %s", $response));
+  }
+  
+  /**
+   * Invoked just before a Transport is started.
+   * 
+   * @param Swift_Events_TransportChangeEvent $evt
+   */
+  public function beforeTransportStarted(Swift_Events_TransportChangeEvent $evt)
+  {
+    $transportName = get_class($evt->getSource());
+    $this->_logger->add(sprintf("++ Starting %s", $transportName));
+  }
+  
+  /**
+   * Invoked immediately after the Transport is started.
+   * 
+   * @param Swift_Events_TransportChangeEvent $evt
+   */
+  public function transportStarted(Swift_Events_TransportChangeEvent $evt)
+  {
+    $transportName = get_class($evt->getSource());
+    $this->_logger->add(sprintf("++ %s started", $transportName));
+  }
+  
+  /**
+   * Invoked just before a Transport is stopped.
+   * 
+   * @param Swift_Events_TransportChangeEvent $evt
+   */
+  public function beforeTransportStopped(Swift_Events_TransportChangeEvent $evt)
+  {
+    $transportName = get_class($evt->getSource());
+    $this->_logger->add(sprintf("++ Stopping %s", $transportName));
+  }
+  
+  /**
+   * Invoked immediately after the Transport is stopped.
+   * 
+   * @param Swift_Events_TransportChangeEvent $evt
+   */
+  public function transportStopped(Swift_Events_TransportChangeEvent $evt)
+  {
+    $transportName = get_class($evt->getSource());
+    $this->_logger->add(sprintf("++ %s stopped", $transportName));
+  }
+  
+  /**
+   * Invoked as a TransportException is thrown in the Transport system.
+   * 
+   * @param Swift_Events_TransportExceptionEvent $evt
+   */
+  public function exceptionThrown(Swift_Events_TransportExceptionEvent $evt)
+  {
+    $e = $evt->getException();
+    $message = $e->getMessage();
+    $this->_logger->add(sprintf("!! %s", $message));
+    $message .= PHP_EOL;
+    $message .= 'Log data:' . PHP_EOL;
+    $message .= $this->_logger->dump();
+    $evt->cancelBubble();
+    throw new Swift_TransportException($message);
+  }
+  
+}
diff --git a/External/swiftmailer/lib/classes/Swift/Plugins/Loggers/ArrayLogger.php b/External/swiftmailer/lib/classes/Swift/Plugins/Loggers/ArrayLogger.php
new file mode 100755
index 0000000..930eca2
--- /dev/null
+++ b/External/swiftmailer/lib/classes/Swift/Plugins/Loggers/ArrayLogger.php
@@ -0,0 +1,73 @@
+<?php
+
+/*
+ * This file is part of SwiftMailer.
+ * (c) 2004-2009 Chris Corbyn
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+/**
+ * Logs to an Array backend.
+ * @package Swift
+ * @subpackage Transport
+ * @author Chris Corbyn
+ */
+class Swift_Plugins_Loggers_ArrayLogger implements Swift_Plugins_Logger
+{
+  
+  /**
+   * The log contents.
+   * @var array
+   * @access private
+   */
+  private $_log = array();
+  
+  /**
+   * Max size of the log.
+   * @var int
+   * @access private
+   */
+  private $_size = 0;
+  
+  /**
+   * Create a new ArrayLogger with a maximum of $size entries.
+   * @var int $size
+   */
+  public function __construct($size = 50)
+  {
+    $this->_size = $size;
+  }
+  
+  /**
+   * Add a log entry.
+   * @param string $entry
+   */
+  public function add($entry)
+  {
+    $this->_log[] = $entry;
+    while (count($this->_log) > $this->_size)
+    {
+      array_shift($this->_log);
+    }
+  }
+  
+  /**
+   * Clear the log contents.
+   */
+  public function clear()
+  {
+    $this->_log = array();
+  }
+  
+  /**
+   * Get this log as a string.
+   * @return string
+   */
+  public function dump()
+  {
+    return implode(PHP_EOL, $this->_log);
+  }
+  
+}
diff --git a/External/swiftmailer/lib/classes/Swift/Plugins/Loggers/EchoLogger.php b/External/swiftmailer/lib/classes/Swift/Plugins/Loggers/EchoLogger.php
new file mode 100755
index 0000000..83dd54b
--- /dev/null
+++ b/External/swiftmailer/lib/classes/Swift/Plugins/Loggers/EchoLogger.php
@@ -0,0 +1,64 @@
+<?php
+
+/*
+ * This file is part of SwiftMailer.
+ * (c) 2004-2009 Chris Corbyn
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+/**
+ * Prints all log messages in real time.
+ * 
+ * @package Swift
+ * @subpackage Transport
+ * @author Chris Corbyn
+ */
+class Swift_Plugins_Loggers_EchoLogger implements Swift_Plugins_Logger
+{
+  
+  /** Whether or not HTML should be output */
+  private $_isHtml;
+  
+  /**
+   * Create a new EchoLogger.
+   * 
+   * @param boolean $isHtml
+   */
+  public function __construct($isHtml = true)
+  {
+    $this->_isHtml = $isHtml;
+  }
+  
+  /**
+   * Add a log entry.
+   * @param string $entry
+   */
+  public function add($entry)
+  {
+    if ($this->_isHtml)
+    {
+      printf('%s%s%s', htmlspecialchars($entry, ENT_QUOTES), '<br />', PHP_EOL);
+    }
+    else
+    {
+      printf('%s%s', $entry, PHP_EOL);
+    }
+  }
+  
+  /**
+   * Not implemented.
+   */
+  public function clear()
+  {
+  }
+  
+  /**
+   * Not implemented.
+   */
+  public function dump()
+  {
+  }
+  
+}
diff --git a/External/swiftmailer/lib/classes/Swift/Plugins/Pop/Pop3Connection.php b/External/swiftmailer/lib/classes/Swift/Plugins/Pop/Pop3Connection.php
new file mode 100755
index 0000000..1c96dcf
--- /dev/null
+++ b/External/swiftmailer/lib/classes/Swift/Plugins/Pop/Pop3Connection.php
@@ -0,0 +1,36 @@
+<?php
+
+/*
+ * This file is part of SwiftMailer.
+ * (c) 2004-2009 Chris Corbyn
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+/**
+ * Pop3Connection interface for connecting and disconnecting to a POP3 host.
+ * 
+ * @package Swift
+ * @subpackage Plugins
+ * 
+ * @author Chris Corbyn
+ */
+interface Swift_Plugins_Pop_Pop3Connection
+{
+  
+  /**
+   * Connect to the POP3 host and throw an Exception if it fails.
+   * 
+   * @throws Swift_Plugins_Pop_Pop3Exception
+   */
+  public function connect();
+  
+  /**
+   * Disconnect from the POP3 host and throw an Exception if it fails.
+   * 
+   * @throws Swift_Plugins_Pop_Pop3Exception
+   */
+  public function disconnect();
+  
+}
diff --git a/External/swiftmailer/lib/classes/Swift/Plugins/Pop/Pop3Exception.php b/External/swiftmailer/lib/classes/Swift/Plugins/Pop/Pop3Exception.php
new file mode 100755
index 0000000..e0205f4
--- /dev/null
+++ b/External/swiftmailer/lib/classes/Swift/Plugins/Pop/Pop3Exception.php
@@ -0,0 +1,34 @@
+<?php
+
+/*
+ * This file is part of SwiftMailer.
+ * (c) 2004-2009 Chris Corbyn
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+//@require 'Swift/IoException.php';
+
+/**
+ * Pop3Exception thrown when an error occurs connecting to a POP3 host.
+ * 
+ * @package Swift
+ * @subpackage Transport
+ * 
+ * @author Chris Corbyn
+ */
+class Swift_Plugins_Pop_Pop3Exception extends Swift_IoException
+{
+  
+  /**
+   * Create a new Pop3Exception with $message.
+   * 
+   * @param string $message
+   */
+  public function __construct($message)
+  {
+    parent::__construct($message);
+  }
+  
+}
diff --git a/External/swiftmailer/lib/classes/Swift/Plugins/PopBeforeSmtpPlugin.php b/External/swiftmailer/lib/classes/Swift/Plugins/PopBeforeSmtpPlugin.php
new file mode 100755
index 0000000..fd1cf46
--- /dev/null
+++ b/External/swiftmailer/lib/classes/Swift/Plugins/PopBeforeSmtpPlugin.php
@@ -0,0 +1,288 @@
+<?php
+
+/*
+ * This file is part of SwiftMailer.
+ * (c) 2004-2009 Chris Corbyn
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+//@require 'Swift/Events/TransportChangeListener.php';
+//@require 'Swift/Events/TransportChangeEvent.php';
+
+/**
+ * Makes sure a connection to a POP3 host has been established prior to connecting to SMTP.
+ * 
+ * @package Swift
+ * @subpackage Plugins
+ * 
+ * @author Chris Corbyn
+ */
+class Swift_Plugins_PopBeforeSmtpPlugin
+  implements Swift_Events_TransportChangeListener, Swift_Plugins_Pop_Pop3Connection
+{
+  
+  /** A delegate connection to use (mostly a test hook) */
+  private $_connection;
+  
+  /** Hostname of the POP3 server */
+  private $_host;
+  
+  /** Port number to connect on */
+  private $_port;
+  
+  /** Encryption type to use (if any) */
+  private $_crypto;
+  
+  /** Username to use (if any) */
+  private $_username;
+  
+  /** Password to use (if any) */
+  private $_password;
+  
+  /** Established connection via TCP socket */
+  private $_socket;
+  
+  /** Connect timeout in seconds */
+  private $_timeout = 10;
+  
+  /** SMTP Transport to bind to */
+  private $_transport;
+  
+  /**
+   * Create a new PopBeforeSmtpPlugin for $host and $port.
+   * 
+   * @param string $host
+   * @param int $port
+   * @param string $cypto as "tls" or "ssl"
+   */
+  public function __construct($host, $port = 110, $crypto = null)
+  {
+    $this->_host = $host;
+    $this->_port = $port;
+    $this->_crypto = $crypto;
+  }
+  
+  /**
+   * Create a new PopBeforeSmtpPlugin for $host and $port.
+   * 
+   * @param string $host
+   * @param int $port
+   * @param string $cypto as "tls" or "ssl"
+   * 
+   * @return Swift_Plugins_PopBeforeSmtpPlugin
+   */
+  public static function newInstance($host, $port = 110, $crypto = null)
+  {
+    return new self($host, $port, $crypto);
+  }
+  
+  /**
+   * Set a Pop3Connection to delegate to instead of connecting directly.
+   * 
+   * @param Swift_Plugins_Pop_Pop3Connection $connection
+   */
+  public function setConnection(Swift_Plugins_Pop_Pop3Connection $connection)
+  {
+    $this->_connection = $connection;
+    return $this;
+  }
+  
+  /**
+   * Bind this plugin to a specific SMTP transport instance.
+   * 
+   * @param Swift_Transport
+   */
+  public function bindSmtp(Swift_Transport $smtp)
+  {
+    $this->_transport = $smtp;
+  }
+  
+  /**
+   * Set the connection timeout in seconds (default 10).
+   * 
+   * @param int $timeout
+   */
+  public function setTimeout($timeout)
+  {
+    $this->_timeout = (int) $timeout;
+    return $this;
+  }
+  
+  /**
+   * Set the username to use when connecting (if needed).
+   * 
+   * @param string $username
+   */
+  public function setUsername($username)
+  {
+    $this->_username = $username;
+    return $this;
+  }
+  
+  /**
+   * Set the password to use when connecting (if needed).
+   * 
+   * @param string $password
+   */
+  public function setPassword($password)
+  {
+    $this->_password = $password;
+    return $this;
+  }
+  
+  /**
+   * Connect to the POP3 host and authenticate.
+   * 
+   * @throws Swift_Plugins_Pop_Pop3Exception if connection fails
+   */
+  public function connect()
+  {
+    if (isset($this->_connection))
+    {
+      $this->_connection->connect();
+    }
+    else
+    {
+      if (!isset($this->_socket))
+      {
+        if (!$socket = fsockopen(
+          $this->_getHostString(), $this->_port, $errno, $errstr, $this->_timeout))
+        {
+          throw new Swift_Plugins_Pop_Pop3Exception(
+            sprintf('Failed to connect to POP3 host [%s]: %s', $this->_host, $errstr)
+          );
+        }
+        $this->_socket = $socket;
+        
+        if (false === $greeting = fgets($this->_socket))
+        {
+          throw new Swift_Plugins_Pop_Pop3Exception(
+            sprintf('Failed to connect to POP3 host [%s]', trim($greeting))
+          );
+        }
+        
+        $this->_assertOk($greeting);
+        
+        if ($this->_username)
+        {
+          $this->_command(sprintf("USER %s\r\n", $this->_username));
+          $this->_command(sprintf("PASS %s\r\n", $this->_password));
+        }
+      }
+    }
+  }
+  
+  /**
+   * Disconnect from the POP3 host.
+   */
+  public function disconnect()
+  {
+    if (isset($this->_connection))
+    {
+      $this->_connection->disconnect();
+    }
+    else
+    {
+      $this->_command("QUIT\r\n");
+      if (!fclose($this->_socket))
+      {
+        throw new Swift_Plugins_Pop_Pop3Exception(
+          sprintf('POP3 host [%s] connection could not be stopped', $this->_host)
+        );
+      }
+      $this->_socket = null;
+    }
+  }
+  
+  /**
+   * Invoked just before a Transport is started.
+   * 
+   * @param Swift_Events_TransportChangeEvent $evt
+   */
+  public function beforeTransportStarted(Swift_Events_TransportChangeEvent $evt)
+  {
+    if (isset($this->_transport))
+    {
+      if ($this->_transport !== $evt->getTransport())
+      {
+        return;
+      }
+    }
+    
+    $this->connect();
+    $this->disconnect();
+  }
+  
+  /**
+   * Not used.
+   */
+  public function transportStarted(Swift_Events_TransportChangeEvent $evt)
+  {
+  }
+  
+  /**
+   * Not used.
+   */
+  public function beforeTransportStopped(Swift_Events_TransportChangeEvent $evt)
+  {
+  }
+  
+  /**
+   * Not used.
+   */
+  public function transportStopped(Swift_Events_TransportChangeEvent $evt)
+  {
+  }
+  
+  // -- Private Methods
+  
+  private function _command($command)
+  {
+    if (!fwrite($this->_socket, $command))
+    {
+      throw new Swift_Plugins_Pop_Pop3Exception(
+        sprintf('Failed to write command [%s] to POP3 host', trim($command))
+      );
+    }
+    
+    if (false === $response = fgets($this->_socket))
+    {
+      throw new Swift_Plugins_Pop_Pop3Exception(
+        sprintf('Failed to read from POP3 host after command [%s]', trim($command))
+      );
+    }
+    
+    $this->_assertOk($response);
+    
+    return $response;
+  }
+  
+  private function _assertOk($response)
+  {
+    if (substr($response, 0, 3) != '+OK')
+    {
+      throw new Swift_Plugins_Pop_Pop3Exception(
+        sprintf('POP3 command failed [%s]', trim($response))
+      );
+    }
+  }
+  
+  private function _getHostString()
+  {
+    $host = $this->_host;
+    switch (strtolower($this->_crypto))
+    {
+      case 'ssl':
+        $host = 'ssl://' . $host;
+        break;
+      
+      case 'tls':
+        $host = 'tls://' . $host;
+        break;
+    }
+    return $host;
+  }
+  
+}
diff --git a/External/swiftmailer/lib/classes/Swift/Plugins/Reporter.php b/External/swiftmailer/lib/classes/Swift/Plugins/Reporter.php
new file mode 100755
index 0000000..00d5765
--- /dev/null
+++ b/External/swiftmailer/lib/classes/Swift/Plugins/Reporter.php
@@ -0,0 +1,36 @@
+<?php
+
+/*
+ * This file is part of SwiftMailer.
+ * (c) 2004-2009 Chris Corbyn
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+//@require 'Swift/Mime/Message.php';
+
+/**
+ * The Reporter plugin sends pass/fail notification to a Reporter.
+ * @package Swift
+ * @subpackage Plugins
+ * @author Chris Corbyn
+ */
+interface Swift_Plugins_Reporter
+{
+  
+  /** The recipient was accepted for delivery */
+  const RESULT_PASS = 0x01;
+  
+  /** The recipient could not be accepted */
+  const RESULT_FAIL = 0x10;
+  
+  /**
+   * Notifies this ReportNotifier that $address failed or succeeded.
+   * @param Swift_Mime_Message $message
+   * @param string $address
+   * @param int $result from {@link RESULT_PASS, RESULT_FAIL}
+   */
+  public function notify(Swift_Mime_Message $message, $address, $result);
+  
+}
diff --git a/External/swiftmailer/lib/classes/Swift/Plugins/ReporterPlugin.php b/External/swiftmailer/lib/classes/Swift/Plugins/ReporterPlugin.php
new file mode 100755
index 0000000..1beac5b
--- /dev/null
+++ b/External/swiftmailer/lib/classes/Swift/Plugins/ReporterPlugin.php
@@ -0,0 +1,82 @@
+<?php
+
+/*
+ * This file is part of SwiftMailer.
+ * (c) 2004-2009 Chris Corbyn
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+//@require 'Swift/Events/SendListener.php';
+//@require 'Swift/Events/SendEvent.php';
+//@require 'Swift/Plugins/Reporter.php';
+
+/**
+ * Does real time reporting of pass/fail for each recipient.
+ * @package Swift
+ * @subpackage Plugins
+ * @author Chris Corbyn
+ */
+class Swift_Plugins_ReporterPlugin
+  implements Swift_Events_SendListener
+{
+  
+  /**
+   * The reporter backend which takes notifications.
+   * @var Swift_Plugin_Reporter
+   * @access private
+   */
+  private $_reporter;
+  
+  /**
+   * Create a new ReporterPlugin using $reporter.
+   * @param Swift_Plugins_Reporter $reporter
+   */
+  public function __construct(Swift_Plugins_Reporter $reporter)
+  {
+    $this->_reporter = $reporter;
+  }
+  
+  /**
+   * Not used.
+   */
+  public function beforeSendPerformed(Swift_Events_SendEvent $evt)
+  {
+  }
+  
+  /**
+   * Invoked immediately after the Message is sent.
+   * @param Swift_Events_SendEvent $evt
+   */
+  public function sendPerformed(Swift_Events_SendEvent $evt)
+  {
+    $message = $evt->getMessage();
+    $failures = array_flip($evt->getFailedRecipients());
+    foreach ((array) $message->getTo() as $address => $null)
+    {
+      $this->_reporter->notify(
+        $message, $address, (array_key_exists($address, $failures)
+        ? Swift_Plugins_Reporter::RESULT_FAIL
+        : Swift_Plugins_Reporter::RESULT_PASS)
+        );
+    }
+    foreach ((array) $message->getCc() as $address => $null)
+    {
+      $this->_reporter->notify(
+        $message, $address, (array_key_exists($address, $failures)
+        ? Swift_Plugins_Reporter::RESULT_FAIL
+        : Swift_Plugins_Reporter::RESULT_PASS)
+        );
+    }
+    foreach ((array) $message->getBcc() as $address => $null)
+    {
+      $this->_reporter->notify(
+        $message, $address, (array_key_exists($address, $failures)
+        ? Swift_Plugins_Reporter::RESULT_FAIL
+        : Swift_Plugins_Reporter::RESULT_PASS)
+        );
+    }
+  }
+  
+}
diff --git a/External/swiftmailer/lib/classes/Swift/Plugins/Reporters/HitReporter.php b/External/swiftmailer/lib/classes/Swift/Plugins/Reporters/HitReporter.php
new file mode 100755
index 0000000..0022f5e
--- /dev/null
+++ b/External/swiftmailer/lib/classes/Swift/Plugins/Reporters/HitReporter.php
@@ -0,0 +1,63 @@
+<?php
+
+/*
+ * This file is part of SwiftMailer.
+ * (c) 2004-2009 Chris Corbyn
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+//@require 'Swift/Plugins/Reporter.php';
+//@require 'Swift/Mime/Message.php';
+
+/**
+ * A reporter which "collects" failures for the Reporter plugin.
+ * @package Swift
+ * @subpackage Plugins
+ * @author Chris Corbyn
+ */
+class Swift_Plugins_Reporters_HitReporter implements Swift_Plugins_Reporter
+{
+  
+  /**
+   * The list of failures.
+   * @var array
+   * @access private
+   */
+  private $_failures = array();
+  private $_failures_cache = array();
+  
+  /**
+   * Notifies this ReportNotifier that $address failed or succeeded.
+   * @param Swift_Mime_Message $message
+   * @param string $address
+   * @param int $result from {@link RESULT_PASS, RESULT_FAIL}
+   */
+  public function notify(Swift_Mime_Message $message, $address, $result)
+  {
+    if (self::RESULT_FAIL == $result && !isset($this->_failures_cache[$address]))
+    {
+      $this->_failures[] = $address;
+      $this->_failures_cache[$address] = true;
+    }
+  }
+  
+  /**
+   * Get an array of addresses for which delivery failed.
+   * @return array
+   */
+  public function getFailedRecipients()
+  {
+    return $this->_failures;
+  }
+  
+  /**
+   * Clear the buffer (empty the list).
+   */
+  public function clear()
+  {
+    $this->_failures = $this->_failures_cache = array();
+  }
+  
+}
diff --git a/External/swiftmailer/lib/classes/Swift/Plugins/Reporters/HtmlReporter.php b/External/swiftmailer/lib/classes/Swift/Plugins/Reporters/HtmlReporter.php
new file mode 100755
index 0000000..7370078
--- /dev/null
+++ b/External/swiftmailer/lib/classes/Swift/Plugins/Reporters/HtmlReporter.php
@@ -0,0 +1,47 @@
+<?php
+
+/*
+ * This file is part of SwiftMailer.
+ * (c) 2004-2009 Chris Corbyn
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+//@require 'Swift/Plugins/Reporter.php';
+//@require 'Swift/Mime/Message.php';
+
+/**
+ * A HTML output reporter for the Reporter plugin.
+ * @package Swift
+ * @subpackage Plugins
+ * @author Chris Corbyn
+ */
+class Swift_Plugins_Reporters_HtmlReporter implements Swift_Plugins_Reporter
+{
+  
+  /**
+   * Notifies this ReportNotifier that $address failed or succeeded.
+   * @param Swift_Mime_Message $message
+   * @param string $address
+   * @param int $result from {@link RESULT_PASS, RESULT_FAIL}
+   */
+  public function notify(Swift_Mime_Message $message, $address, $result)
+  {
+    if (self::RESULT_PASS == $result)
+    {
+      echo "<div style=\"color: #fff; background: #006600; padding: 2px; margin: 2px;\">" . PHP_EOL;
+      echo "PASS " . $address . PHP_EOL;
+      echo "</div>" . PHP_EOL;
+      flush();
+    }
+    else
+    {
+      echo "<div style=\"color: #fff; background: #880000; padding: 2px; margin: 2px;\">" . PHP_EOL;
+      echo "FAIL " . $address . PHP_EOL;
+      echo "</div>" . PHP_EOL;
+      flush();
+    }
+  }
+  
+}
diff --git a/External/swiftmailer/lib/classes/Swift/Plugins/Sleeper.php b/External/swiftmailer/lib/classes/Swift/Plugins/Sleeper.php
new file mode 100755
index 0000000..148cbd3
--- /dev/null
+++ b/External/swiftmailer/lib/classes/Swift/Plugins/Sleeper.php
@@ -0,0 +1,26 @@
+<?php
+
+/*
+ * This file is part of SwiftMailer.
+ * (c) 2004-2009 Chris Corbyn
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+/**
+ * Sleeps for a duration of time.
+ * @package Swift
+ * @subpackage Plugins
+ * @author Chris Corbyn
+ */
+interface Swift_Plugins_Sleeper
+{
+  
+  /**
+   * Sleep for $seconds.
+   * @param int $seconds
+   */
+  public function sleep($seconds);
+  
+}
diff --git a/External/swiftmailer/lib/classes/Swift/Plugins/ThrottlerPlugin.php b/External/swiftmailer/lib/classes/Swift/Plugins/ThrottlerPlugin.php
new file mode 100755
index 0000000..43bb1f4
--- /dev/null
+++ b/External/swiftmailer/lib/classes/Swift/Plugins/ThrottlerPlugin.php
@@ -0,0 +1,188 @@
+<?php
+
+/*
+ * This file is part of SwiftMailer.
+ * (c) 2004-2009 Chris Corbyn
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+//@require 'Swift/Events/SendEvent.php';
+//@require 'Swift/Plugins/BandwidthMonitorPlugin.php';
+//@require 'Swift/Plugins/Sleeper.php';
+//@require 'Swift/Plugins/Timer.php';
+
+/**
+ * Throttles the rate at which emails are sent.
+ * @package Swift
+ * @subpackage Plugins
+ * @author Chris Corbyn
+ */
+class Swift_Plugins_ThrottlerPlugin
+  extends Swift_Plugins_BandwidthMonitorPlugin
+  implements Swift_Plugins_Sleeper, Swift_Plugins_Timer
+{
+  
+  /** Flag for throttling in bytes per minute */
+  const BYTES_PER_MINUTE = 0x01;
+  
+  /** Flag for throttling in emails per minute */
+  const MESSAGES_PER_MINUTE = 0x10;
+  
+  /**
+   * The Sleeper instance for sleeping.
+   * @var Swift_Plugins_Sleeper
+   * @access private
+   */
+  private $_sleeper;
+  
+  /**
+   * The Timer instance which provides the timestamp.
+   * @var Swift_Plugins_Timer
+   * @access private
+   */
+  private $_timer;
+  
+  /**
+   * The time at which the first email was sent.
+   * @var int
+   * @access private
+   */
+  private $_start;
+  
+  /**
+   * The rate at which messages should be sent.
+   * @var int
+   * @access private
+   */
+  private $_rate;
+  
+  /**
+   * The mode for throttling.
+   * This is {@link BYTES_PER_MINUTE} or {@link MESSAGES_PER_MINUTE}
+   * @var int
+   * @access private
+   */
+  private $_mode;
+  
+  /**
+   * An internal counter of the number of messages sent.
+   * @var int
+   * @access private
+   */
+  private $_messages = 0;
+  
+  /**
+   * Create a new ThrottlerPlugin.
+   * @param int $rate
+   * @param int $mode, defaults to {@link BYTES_PER_MINUTE}
+   * @param Swift_Plugins_Sleeper $sleeper (only needed in testing)
+   * @param Swift_Plugins_Timer $timer (only needed in testing)
+   */
+  public function __construct($rate, $mode = self::BYTES_PER_MINUTE,
+    Swift_Plugins_Sleeper $sleeper = null, Swift_Plugins_Timer $timer = null)
+  {
+    $this->_rate = $rate;
+    $this->_mode = $mode;
+    $this->_sleeper = $sleeper;
+    $this->_timer = $timer;
+  }
+  
+  /**
+   * Invoked immediately before the Message is sent.
+   * @param Swift_Events_SendEvent $evt
+   */
+  public function beforeSendPerformed(Swift_Events_SendEvent $evt)
+  {
+    $time = $this->getTimestamp();
+    if (!isset($this->_start))
+    {
+      $this->_start = $time;
+    }
+    $duration = $time - $this->_start;
+    
+    if (self::BYTES_PER_MINUTE == $this->_mode)
+    {
+      $sleep = $this->_throttleBytesPerMinute($duration);
+    }
+    else
+    {
+      $sleep = $this->_throttleMessagesPerMinute($duration);
+    }
+    
+    if ($sleep > 0)
+    {
+      $this->sleep($sleep);
+    }
+  }
+  
+  /**
+   * Invoked when a Message is sent.
+   * @param Swift_Events_SendEvent $evt
+   */
+  public function sendPerformed(Swift_Events_SendEvent $evt)
+  {
+    parent::sendPerformed($evt);
+    ++$this->_messages;
+  }
+  
+  /**
+   * Sleep for $seconds.
+   * @param int $seconds
+   */
+  public function sleep($seconds)
+  {
+    if (isset($this->_sleeper))
+    {
+      $this->_sleeper->sleep($seconds);
+    }
+    else
+    {
+      sleep($seconds);
+    }
+  }
+  
+  /**
+   * Get the current UNIX timestamp
+   * @return int
+   */
+  public function getTimestamp()
+  {
+    if (isset($this->_timer))
+    {
+      return $this->_timer->getTimestamp();
+    }
+    else
+    {
+      return time();
+    }
+  }
+  
+  // -- Private methods
+  
+  /**
+   * Get a number of seconds to sleep for.
+   * @param int $timePassed
+   * @return int
+   * @access private
+   */
+  private function _throttleBytesPerMinute($timePassed)
+  {
+    $expectedDuration = $this->getBytesOut() / ($this->_rate / 60);
+    return (int) ceil($expectedDuration - $timePassed);
+  }
+  
+  /**
+   * Get a number of seconds to sleep for.
+   * @param int $timePassed
+   * @return int
+   * @access private
+   */
+  private function _throttleMessagesPerMinute($timePassed)
+  {
+    $expectedDuration = $this->_messages / ($this->_rate / 60);
+    return (int) ceil($expectedDuration - $timePassed);
+  }
+  
+}
diff --git a/External/swiftmailer/lib/classes/Swift/Plugins/Timer.php b/External/swiftmailer/lib/classes/Swift/Plugins/Timer.php
new file mode 100755
index 0000000..92207bf
--- /dev/null
+++ b/External/swiftmailer/lib/classes/Swift/Plugins/Timer.php
@@ -0,0 +1,26 @@
+<?php
+
+/*
+ * This file is part of SwiftMailer.
+ * (c) 2004-2009 Chris Corbyn
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+/**
+ * Provides timestamp data.
+ * @package Swift
+ * @subpackage Plugins
+ * @author Chris Corbyn
+ */
+interface Swift_Plugins_Timer
+{
+  
+  /**
+   * Get the current UNIX timestamp.
+   * @return int
+   */
+  public function getTimestamp();
+  
+}
-- 
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