<?php
////////////////////////////////////////////////////
// PHPMailer - PHP email class
//
// Class for sending email using either
// sendmail, PHP mail(), or SMTP.  Methods are
// based upon the standard AspEmail(tm) classes.
//
// Copyright (C) 2001 - 2003  Brent R. Matzelle
//
// License: LGPL, see LICENSE
////////////////////////////////////////////////////

	/**
	 * PHPMailer - PHP email transport class
	 * @package PHPMailer
	 * @author Brent R. Matzelle
	 * @copyright 2001 - 2003 Brent R. Matzelle
	 */
	class PHPMailer
	{
		/////////////////////////////////////////////////
		// PUBLIC VARIABLES
		/////////////////////////////////////////////////

		/**
		 * Email priority (1 = High, 3 = Normal, 5 = low).
		 * @var int
		 */
		var $Priority          = 3;

		/**
		 * Sets the CharSet of the message.
		 * @var string
		 */
		var $CharSet           = "UTF-8";

		/**
		 * Sets the Content-type of the message.
		 * @var string
		 */
		var $ContentType        = "text/plain";

		/**
		 * Sets the Encoding of the message. Options for this are "8bit",
		 * "7bit", "binary", "base64", and "quoted-printable".
		 * @var string
		 */
		var $Encoding          = "8bit";

		/**
		 * Holds the most recent mailer error message.
		 * @var string
		 */
		var $ErrorInfo         = "";

		/**
		 * Sets the From email address for the message.
		 * @var string
		 */
		var $From               = "root@localhost";

		/**
		 * Sets the From name of the message.
		 * @var string
		 */
		var $FromName           = "Root User";

		/**
		 * Sets the Sender email (Return-Path) of the message.  If not empty,
		 * will be sent via -f to sendmail or as 'MAIL FROM' in smtp mode.
		 * @var string
		 */
		var $Sender            = "";

		/**
		 * Sets the Subject of the message.
		 * @var string
		 */
		var $Subject           = "";

		/**
		 * Sets the Body of the message.  This can be either an HTML or text body.
		 * If HTML then run IsHTML(true).
		 * @var string
		 */
		var $Body               = "";

		/**
		 * Sets the text-only body of the message.  This automatically sets the
		 * email to multipart/alternative.  This body can be read by mail
		 * clients that do not have HTML email capability such as mutt. Clients
		 * that can read HTML will view the normal Body.
		 * @var string
		 */
		var $AltBody           = "";

		/**
		 * Sets word wrapping on the body of the message to a given number of
		 * characters.
		 * @var int
		 */
		var $WordWrap          = 0;

		/**
		 * Method to send mail: ("mail", "sendmail", or "smtp").
		 * @var string
		 */
		var $Mailer            = "mail";

		/**
		 * Sets the path of the sendmail program.
		 * @var string
		 */
		var $Sendmail          = "/usr/sbin/sendmail";

		/**
		 * Path to PHPMailer plugins.  This is now only useful if the SMTP class
		 * is in a different directory than the PHP include path.
		 * @var string
		 */
		var $PluginDir         = "";

		/**
		 *  Holds PHPMailer version.
		 *  @var string
		 */
		var $Version           = "1.73";

		/**
		 * Sets the email address that a reading confirmation will be sent.
		 * @var string
		 */
		var $ConfirmReadingTo  = "";

		/**
		 *  Sets the hostname to use in Message-Id and Received headers
		 *  and as default HELO string. If empty, the value returned
		 *  by SERVER_NAME is used or 'localhost.localdomain'.
		 *  @var string
		 */
		var $Hostname          = "";

		/////////////////////////////////////////////////
		// SMTP VARIABLES
		/////////////////////////////////////////////////

		/**
		 *  Sets the SMTP hosts.  All hosts must be separated by a
		 *  semicolon.  You can also specify a different port
		 *  for each host by using this format: [hostname:port]
		 *  (e.g. "smtp1.example.com:25;smtp2.example.com").
		 *  Hosts will be tried in order.
		 *  @var string
		 */
		var $Host        = "localhost";

		/**
		 *  Sets the default SMTP server port.
		 *  @var int
		 */
		var $Port        = 25;

		/**
		 *  Sets the SMTP HELO of the message (Default is $Hostname).
		 *  @var string
		 */
		var $Helo        = "";

		/**
		 *  Sets SMTP authentication. Utilizes the Username and Password variables.
		 *  @var bool
		 */
		var $SMTPAuth     = false;

		/**
		 *  Sets SMTP username.
		 *  @var string
		 */
		var $Username     = "";

		/**
		 *  Sets SMTP password.
		 *  @var string
		 */
		var $Password     = "";

		/**
		 *  Sets the SMTP server timeout in seconds. This function will not
		 *  work with the win32 version.
		 *  @var int
		 */
		var $Timeout      = 10;

		/**
		 *  Sets SMTP class debugging on or off.
		 *  @var bool
		 */
		var $SMTPDebug    = false;

		/**
		 * Prevents the SMTP connection from being closed after each mail
		 * sending.  If this is set to true then to close the connection
		 * requires an explicit call to SmtpClose().
		 * @var bool
		 */
		var $SMTPKeepAlive = false;

		/**#@+
		 * @access private
		 */
		var $smtp            = NULL;
		var $to              = array();
		var $cc              = array();
		var $bcc             = array();
		var $ReplyTo         = array();
		var $attachment      = array();
		var $CustomHeader    = array();
		var $message_type    = "";
		var $boundary        = array();
		var $language        = array();
		var $error_count     = 0;
		var $LE              = "\n";
		/**#@-*/

		/////////////////////////////////////////////////
		// VARIABLE METHODS
		/////////////////////////////////////////////////

		/**
		 * Sets message type to HTML.
		 * @param bool $bool
		 * @return void
		 */
		function IsHTML($bool) {
			if($bool == true)
				$this->ContentType = "text/html";
			else
				$this->ContentType = "text/plain";
		}

		/**
		 * Sets Mailer to send message using SMTP.
		 * @return void
		 */
		function IsSMTP() {
			$this->Mailer = "smtp";
		}

		/**
		 * Sets Mailer to send message using PHP mail() function.
		 * @return void
		 */
		function IsMail() {
			$this->Mailer = "mail";
		}

		/**
		 * Sets Mailer to send message using the $Sendmail program.
		 * @return void
		 */
		function IsSendmail() {
			$this->Mailer = "sendmail";
		}

		/**
		 * Sets Mailer to send message using the qmail MTA.
		 * @return void
		 */
		function IsQmail() {
			$this->Sendmail = "/var/qmail/bin/sendmail";
			$this->Mailer = "sendmail";
		}


		/////////////////////////////////////////////////
		// RECIPIENT METHODS
		/////////////////////////////////////////////////

		/**
		 * Adds a "To" address.
		 * @param string $address
		 * @param string $name
		 * @return void
		 */
		function AddAddress($address, $name = "") {
			$cur = count($this->to);
			$this->to[$cur][0] = trim($address);
			$this->to[$cur][1] = $name;
		}

		/**
		 * Adds a "Cc" address. Note: this function works
		 * with the SMTP mailer on win32, not with the "mail"
		 * mailer.
		 * @param string $address
		 * @param string $name
		 * @return void
		 */
		function AddCC($address, $name = "") {
			$cur = count($this->cc);
			$this->cc[$cur][0] = trim($address);
			$this->cc[$cur][1] = $name;
		}

		/**
		 * Adds a "Bcc" address. Note: this function works
		 * with the SMTP mailer on win32, not with the "mail"
		 * mailer.
		 * @param string $address
		 * @param string $name
		 * @return void
		 */
		function AddBCC($address, $name = "") {
			$cur = count($this->bcc);
			$this->bcc[$cur][0] = trim($address);
			$this->bcc[$cur][1] = $name;
		}

		/**
		 * Adds a "Reply-to" address.
		 * @param string $address
		 * @param string $name
		 * @return void
		 */
		function AddReplyTo($address, $name = "") {
			$cur = count($this->ReplyTo);
			$this->ReplyTo[$cur][0] = trim($address);
			$this->ReplyTo[$cur][1] = $name;
		}


		/////////////////////////////////////////////////
		// MAIL SENDING METHODS
		/////////////////////////////////////////////////

		/**
		 * Creates message and assigns Mailer. If the message is
		 * not sent successfully then it returns false.  Use the ErrorInfo
		 * variable to view description of the error.
		 * @return bool
		 */
		function Send() {
			$header = "";
			$body = "";
			$result = true;

			if((count($this->to) + count($this->cc) + count($this->bcc)) < 1)
			{
				$this->SetError($this->Lang("provide_address"));
				return false;
			}

			// Set whether the message is multipart/alternative
			if(!empty($this->AltBody))
				$this->ContentType = "multipart/alternative";

			$this->error_count = 0; // reset errors
			$this->SetMessageType();
			$header .= $this->CreateHeader();
			$body = $this->CreateBody();

			if($body == "") { return false; }

			// Choose the mailer
			switch($this->Mailer)
			{
				case "sendmail":
					$result = $this->SendmailSend($header, $body);
					break;
				case "mail":
					$result = $this->MailSend($header, $body);
					break;
				case "smtp":
					$result = $this->SmtpSend($header, $body);
					break;
				default:
					$this->SetError($this->Mailer . $this->Lang("mailer_not_supported"));
					$result = false;
					break;
			}

			return $result;
		}

		/**
		 * Sends mail using the $Sendmail program.
		 * @access private
		 * @return bool
		 */
		function SendmailSend($header, $body) {
			if ($this->Sender != "")
				$sendmail = sprintf("%s -oi -f %s -t", $this->Sendmail, $this->Sender);
			else
				$sendmail = sprintf("%s -oi -t", $this->Sendmail);

			if(!@$mail = popen($sendmail, "w"))
			{
				$this->SetError($this->Lang("execute") . $this->Sendmail);
				return false;
			}

			fputs($mail, $header);
			fputs($mail, $body);

			$result = pclose($mail) >> 8 & 0xFF;
			if($result != 0)
			{
				$this->SetError($this->Lang("execute") . $this->Sendmail);
				return false;
			}

			return true;
		}

		/**
		 * Sends mail using the PHP mail() function.
		 * @access private
		 * @return bool
		 */
		function MailSend($header, $body) {
			$to = "";
			for($i = 0; $i < count($this->to); $i++)
			{
				if($i != 0) { $to .= ", "; }
				$to .= $this->to[$i][0];
			}

			if ($this->Sender != "" && strlen(ini_get("safe_mode"))< 1)
			{
				$old_from = ini_get("sendmail_from");
				ini_set("sendmail_from", $this->Sender);
				$params = sprintf("-oi -f %s", $this->Sender);
				$rt = @mail($to, $this->EncodeHeader($this->Subject), $body,
					$header, $params);
			}
			else
				$rt = @mail($to, $this->EncodeHeader($this->Subject), $body, $header);

			if (isset($old_from))
				ini_set("sendmail_from", $old_from);

			if(!$rt)
			{
				$this->SetError($this->Lang("instantiate"));
				return false;
			}

			return true;
		}

		/**
		 * Sends mail via SMTP using PhpSMTP (Author:
		 * Chris Ryan).  Returns bool.  Returns false if there is a
		 * bad MAIL FROM, RCPT, or DATA input.
		 * @access private
		 * @return bool
		 */
		function SmtpSend($header, $body) {
			include_once($this->PluginDir . "class.smtp.php");
			$error = "";
			$bad_rcpt = array();

			if(!$this->SmtpConnect())
				return false;

			$smtp_from = ($this->Sender == "") ? $this->From : $this->Sender;
			if(!$this->smtp->Mail($smtp_from))
			{
				$error = $this->Lang("from_failed") . $smtp_from;
				$this->SetError($error);
				$this->smtp->Reset();
				return false;
			}

			// Attempt to send attach all recipients
			for($i = 0; $i < count($this->to); $i++)
			{
				if(!$this->smtp->Recipient($this->to[$i][0]))
					$bad_rcpt[] = $this->to[$i][0];
			}
			for($i = 0; $i < count($this->cc); $i++)
			{
				if(!$this->smtp->Recipient($this->cc[$i][0]))
					$bad_rcpt[] = $this->cc[$i][0];
			}
			for($i = 0; $i < count($this->bcc); $i++)
			{
				if(!$this->smtp->Recipient($this->bcc[$i][0]))
					$bad_rcpt[] = $this->bcc[$i][0];
			}

			if(count($bad_rcpt) > 0) // Create error message
			{
				for($i = 0; $i < count($bad_rcpt); $i++)
				{
					if($i != 0) { $error .= ", "; }
					$error .= $bad_rcpt[$i];
				}
				$error = $this->Lang("recipients_failed") . $error;
				$this->SetError($error);
				$this->smtp->Reset();
				return false;
			}

			if(!$this->smtp->Data($header . $body))
			{
				$this->SetError($this->Lang("data_not_accepted"));
				$this->smtp->Reset();
				return false;
			}
			if($this->SMTPKeepAlive == true)
				$this->smtp->Reset();
			else
				$this->SmtpClose();

			return true;
		}

		/**
		 * Initiates a connection to an SMTP server.  Returns false if the
		 * operation failed.
		 * @access private
		 * @return bool
		 */
		function SmtpConnect() {
			if($this->smtp == NULL) { $this->smtp = new SMTP(); }

			$this->smtp->do_debug = $this->SMTPDebug;
			$hosts = explode(";", $this->Host);
			$index = 0;
			$connection = ($this->smtp->Connected());

			// Retry while there is no connection
			while($index < count($hosts) && $connection == false)
			{
				if(strstr($hosts[$index], ":"))
					list($host, $port) = explode(":", $hosts[$index]);
				else
				{
					$host = $hosts[$index];
					$port = $this->Port;
				}

				if($this->smtp->Connect($host, $port, $this->Timeout))
				{
					if ($this->Helo != '')
						$this->smtp->Hello($this->Helo);
					else
						$this->smtp->Hello($this->ServerHostname());

					if($this->SMTPAuth)
					{
						if(!$this->smtp->Authenticate($this->Username,
							$this->Password))
						{
							$this->SetError($this->Lang("authenticate"));
							$this->smtp->Reset();
							$connection = false;
						}
					}
					$connection = true;
				}
				$index++;
			}
			if(!$connection)
				$this->SetError($this->Lang("connect_host"));

			return $connection;
		}

		/**
		 * Closes the active SMTP session if one exists.
		 * @return void
		 */
		function SmtpClose() {
			if($this->smtp != NULL)
			{
				if($this->smtp->Connected())
				{
					$this->smtp->Quit();
					$this->smtp->Close();
				}
			}
		}

		/**
		 * Sets the language for all class error messages.  Returns false
		 * if it cannot load the language file.  The default language type
		 * is English.
		 * @param string $lang_type Type of language (e.g. Portuguese: "br")
		 * @param string $lang_path Path to the language file directory
		 * @access public
		 * @return bool
		 */
		function SetLanguage($lang_type, $lang_path = "language/") {
			if(file_exists($lang_path.'phpmailer.lang-'.$lang_type.'.php'))
				include($lang_path.'phpmailer.lang-'.$lang_type.'.php');
			else if(file_exists($lang_path.'phpmailer.lang-en.php'))
				include($lang_path.'phpmailer.lang-en.php');
			else
			{
				$this->SetError("Could not load language file");
				return false;
			}
			$this->language = $PHPMAILER_LANG;

			return true;
		}

		/////////////////////////////////////////////////
		// MESSAGE CREATION METHODS
		/////////////////////////////////////////////////

		/**
		 * Creates recipient headers.
		 * @access private
		 * @return string
		 */
		function AddrAppend($type, $addr) {
			$addr_str = $type . ": ";
			$addr_str .= $this->AddrFormat($addr[0]);
			if(count($addr) > 1)
			{
				for($i = 1; $i < count($addr); $i++)
					$addr_str .= ", " . $this->AddrFormat($addr[$i]);
			}
			$addr_str .= $this->LE;

			return $addr_str;
		}

		/**
		 * Formats an address correctly.
		 * @access private
		 * @return string
		 */
		function AddrFormat($addr) {
			if(empty($addr[1]))
				$formatted = $addr[0];
			else
			{
				$formatted = $this->EncodeHeader($addr[1], 'phrase') . " <" .
					$addr[0] . ">";
			}

			return $formatted;
		}

		/**
		 * Wraps message for use with mailers that do not
		 * automatically perform wrapping and for quoted-printable.
		 * Original written by philippe.
		 * @access private
		 * @return string
		 */
		function WrapText($message, $length, $qp_mode = false) {
			$soft_break = ($qp_mode) ? sprintf(" =%s", $this->LE) : $this->LE;

			$message = $this->FixEOL($message);
			if (substr($message, -1) == $this->LE)
				$message = substr($message, 0, -1);

			$line = explode($this->LE, $message);
			$message = "";
			for ($i=0 ;$i < count($line); $i++)
			{
				$line_part = explode(" ", $line[$i]);
				$buf = "";
				for ($e = 0; $e<count($line_part); $e++)
				{
					$word = $line_part[$e];
					if ($qp_mode and (strlen($word) > $length))
					{
						$space_left = $length - strlen($buf) - 1;
						if ($e != 0)
						{
							if ($space_left > 20)
							{
								$len = $space_left;
								if (substr($word, $len - 1, 1) == "=")
									$len--;
								elseif (substr($word, $len - 2, 1) == "=")
									$len -= 2;
								$part = substr($word, 0, $len);
								$word = substr($word, $len);
								$buf .= " " . $part;
								$message .= $buf . sprintf("=%s", $this->LE);
							}
							else
							{
								$message .= $buf . $soft_break;
							}
							$buf = "";
						}
						while (strlen($word) > 0)
						{
							$len = $length;
							if (substr($word, $len - 1, 1) == "=")
								$len--;
							elseif (substr($word, $len - 2, 1) == "=")
								$len -= 2;
							$part = substr($word, 0, $len);
							$word = substr($word, $len);

							if (strlen($word) > 0)
								$message .= $part . sprintf("=%s", $this->LE);
							else
								$buf = $part;
						}
					}
					else
					{
						$buf_o = $buf;
						$buf .= ($e == 0) ? $word : (" " . $word);

						if (strlen($buf) > $length and $buf_o != "")
						{
							$message .= $buf_o . $soft_break;
							$buf = $word;
						}
					}
				}
				$message .= $buf . $this->LE;
			}

			return $message;
		}

		/**
		 * Set the body wrapping.
		 * @access private
		 * @return void
		 */
		function SetWordWrap() {
			if($this->WordWrap < 1)
				return;

			switch($this->message_type)
			{
				case "alt":
					// fall through
				case "alt_attachments":
					$this->AltBody = $this->WrapText($this->AltBody, $this->WordWrap);
					break;
				default:
					$this->Body = $this->WrapText($this->Body, $this->WordWrap);
					break;
			}
		}

		/**
		 * Assembles message header.
		 * @access private
		 * @return string
		 */
		function CreateHeader() {
			$result = "";

			// Set the boundaries
			$uniq_id = md5(uniqid(time()));
			$this->boundary[1] = "b1_" . $uniq_id;
			$this->boundary[2] = "b2_" . $uniq_id;

			$result .= $this->HeaderLine("Date", $this->RFCDate());
			if($this->Sender == "")
				$result .= $this->HeaderLine("Return-Path", trim($this->From));
			else
				$result .= $this->HeaderLine("Return-Path", trim($this->Sender));

			// To be created automatically by mail()
			if($this->Mailer != "mail")
			{
				if(count($this->to) > 0)
					$result .= $this->AddrAppend("To", $this->to);
				else if (count($this->cc) == 0)
					$result .= $this->HeaderLine("To", "undisclosed-recipients:;");
				if(count($this->cc) > 0)
					$result .= $this->AddrAppend("Cc", $this->cc);
			}

			$from = array();
			$from[0][0] = trim($this->From);
			$from[0][1] = $this->FromName;
			$result .= $this->AddrAppend("From", $from);

			// sendmail and mail() extract Bcc from the header before sending
			if((($this->Mailer == "sendmail") || ($this->Mailer == "mail")) && (count($this->bcc) > 0))
				$result .= $this->AddrAppend("Bcc", $this->bcc);

			if(count($this->ReplyTo) > 0)
				$result .= $this->AddrAppend("Reply-to", $this->ReplyTo);

			// mail() sets the subject itself
			if($this->Mailer != "mail")
				$result .= $this->HeaderLine("Subject", $this->EncodeHeader(trim($this->Subject)));

			$result .= sprintf("Message-ID: <%s@%s>%s", $uniq_id, $this->ServerHostname(), $this->LE);
			$result .= $this->HeaderLine("X-Priority", $this->Priority);
			$result .= $this->HeaderLine("X-Mailer", "PHPMailer [version " . $this->Version . "]");

			if($this->ConfirmReadingTo != "")
			{
				$result .= $this->HeaderLine("Disposition-Notification-To",
					"<" . trim($this->ConfirmReadingTo) . ">");
			}

			// Add custom headers
			for($index = 0; $index < count($this->CustomHeader); $index++)
			{
				$result .= $this->HeaderLine(trim($this->CustomHeader[$index][0]),
					$this->EncodeHeader(trim($this->CustomHeader[$index][1])));
			}
			$result .= $this->HeaderLine("MIME-Version", "1.0");

			switch($this->message_type)
			{
				case "plain":
					$result .= $this->HeaderLine("Content-Transfer-Encoding", $this->Encoding);
					$result .= sprintf("Content-Type: %s; charset=\"%s\"",
						$this->ContentType, $this->CharSet);
					break;
				case "attachments":
					// fall through
				case "alt_attachments":
					if($this->InlineImageExists())
					{
						$result .= sprintf("Content-Type: %s;%s\ttype=\"text/html\";%s\tboundary=\"%s\"%s",
							"multipart/related", $this->LE, $this->LE,
							$this->boundary[1], $this->LE);
					}
					else
					{
						$result .= $this->HeaderLine("Content-Type", "multipart/mixed;");
						$result .= $this->TextLine("\tboundary=\"" . $this->boundary[1] . '"');
					}
					break;
				case "alt":
					$result .= $this->HeaderLine("Content-Type", "multipart/alternative;");
					$result .= $this->TextLine("\tboundary=\"" . $this->boundary[1] . '"');
					break;
			}

			if($this->Mailer != "mail")
				$result .= $this->LE.$this->LE;

			return $result;
		}

		/**
		 * Assembles the message body.  Returns an empty string on failure.
		 * @access private
		 * @return string
		 */
		function CreateBody() {
			$result = "";

			$this->SetWordWrap();

			switch($this->message_type)
			{
				case "alt":
					$result .= $this->GetBoundary($this->boundary[1], "",
						"text/plain", "");
					$result .= $this->EncodeString($this->AltBody, $this->Encoding);
					$result .= $this->LE.$this->LE;
					$result .= $this->GetBoundary($this->boundary[1], "",
						"text/html", "");

					$result .= $this->EncodeString($this->Body, $this->Encoding);
					$result .= $this->LE.$this->LE;

					$result .= $this->EndBoundary($this->boundary[1]);
					break;
				case "plain":
					$result .= $this->EncodeString($this->Body, $this->Encoding);
					break;
				case "attachments":
					$result .= $this->GetBoundary($this->boundary[1], "", "", "");
					$result .= $this->EncodeString($this->Body, $this->Encoding);
					$result .= $this->LE;

					$result .= $this->AttachAll();
					break;
				case "alt_attachments":
					$result .= sprintf("--%s%s", $this->boundary[1], $this->LE);
					$result .= sprintf("Content-Type: %s;%s" .
						"\tboundary=\"%s\"%s",
						"multipart/alternative", $this->LE,
						$this->boundary[2], $this->LE.$this->LE);

					// Create text body
					$result .= $this->GetBoundary($this->boundary[2], "",
							"text/plain", "") . $this->LE;

					$result .= $this->EncodeString($this->AltBody, $this->Encoding);
					$result .= $this->LE.$this->LE;

					// Create the HTML body
					$result .= $this->GetBoundary($this->boundary[2], "",
							"text/html", "") . $this->LE;

					$result .= $this->EncodeString($this->Body, $this->Encoding);
					$result .= $this->LE.$this->LE;

					$result .= $this->EndBoundary($this->boundary[2]);

					$result .= $this->AttachAll();
					break;
			}
			if($this->IsError())
				$result = "";

			return $result;
		}

		/**
		 * Returns the start of a message boundary.
		 * @access private
		 */
		function GetBoundary($boundary, $charSet, $contentType, $encoding) {
			$result = "";
			if($charSet == "") { $charSet = $this->CharSet; }
			if($contentType == "") { $contentType = $this->ContentType; }
			if($encoding == "") { $encoding = $this->Encoding; }

			$result .= $this->TextLine("--" . $boundary);
			$result .= sprintf("Content-Type: %s; charset = \"%s\"",
				$contentType, $charSet);
			$result .= $this->LE;
			$result .= $this->HeaderLine("Content-Transfer-Encoding", $encoding);
			$result .= $this->LE;

			return $result;
		}

		/**
		 * Returns the end of a message boundary.
		 * @access private
		 */
		function EndBoundary($boundary) {
			return $this->LE . "--" . $boundary . "--" . $this->LE;
		}

		/**
		 * Sets the message type.
		 * @access private
		 * @return void
		 */
		function SetMessageType() {
			if(count($this->attachment) < 1 && strlen($this->AltBody) < 1)
				$this->message_type = "plain";
			else
			{
				if(count($this->attachment) > 0)
					$this->message_type = "attachments";
				if(strlen($this->AltBody) > 0 && count($this->attachment) < 1)
					$this->message_type = "alt";
				if(strlen($this->AltBody) > 0 && count($this->attachment) > 0)
					$this->message_type = "alt_attachments";
			}
		}

		/**
		 * Returns a formatted header line.
		 * @access private
		 * @return string
		 */
		function HeaderLine($name, $value) {
			return $name . ": " . $value . $this->LE;
		}

		/**
		 * Returns a formatted mail line.
		 * @access private
		 * @return string
		 */
		function TextLine($value) {
			return $value . $this->LE;
		}

		/////////////////////////////////////////////////
		// ATTACHMENT METHODS
		/////////////////////////////////////////////////

		/**
		 * Adds an attachment from a path on the filesystem.
		 * Returns false if the file could not be found
		 * or accessed.
		 * @param string $path Path to the attachment.
		 * @param string $name Overrides the attachment name.
		 * @param string $encoding File encoding (see $Encoding).
		 * @param string $type File extension (MIME) type.
		 * @return bool
		 */
		function AddAttachment($path, $name = "", $encoding = "base64",
		                       $type = "application/octet-stream") {
			if(!@is_file($path))
			{
				$this->SetError($this->Lang("file_access") . $path);
				return false;
			}

			$filename = basename($path);
			if($name == "")
				$name = $filename;

			$cur = count($this->attachment);
			$this->attachment[$cur][0] = $path;
			$this->attachment[$cur][1] = $filename;
			$this->attachment[$cur][2] = $name;
			$this->attachment[$cur][3] = $encoding;
			$this->attachment[$cur][4] = $type;
			$this->attachment[$cur][5] = false; // isStringAttachment
			$this->attachment[$cur][6] = "attachment";
			$this->attachment[$cur][7] = 0;

			return true;
		}

		/**
		 * Attaches all fs, string, and binary attachments to the message.
		 * Returns an empty string on failure.
		 * @access private
		 * @return string
		 */
		function AttachAll() {
			// Return text of body
			$mime = array();

			// Add all attachments
			for($i = 0; $i < count($this->attachment); $i++)
			{
				// Check for string attachment
				$bString = $this->attachment[$i][5];
				if ($bString)
					$string = $this->attachment[$i][0];
				else
					$path = $this->attachment[$i][0];

				$filename    = $this->attachment[$i][1];
				$name        = $this->attachment[$i][2];
				$encoding    = $this->attachment[$i][3];
				$type        = $this->attachment[$i][4];
				$disposition = $this->attachment[$i][6];
				$cid         = $this->attachment[$i][7];

				$mime[] = sprintf("--%s%s", $this->boundary[1], $this->LE);
				$mime[] = sprintf("Content-Type: %s; name=\"%s\"%s", $type, $name, $this->LE);
				$mime[] = sprintf("Content-Transfer-Encoding: %s%s", $encoding, $this->LE);

				if($disposition == "inline")
					$mime[] = sprintf("Content-ID: <%s>%s", $cid, $this->LE);

				$mime[] = sprintf("Content-Disposition: %s; filename=\"%s\"%s",
					$disposition, $name, $this->LE.$this->LE);

				// Encode as string attachment
				if($bString)
				{
					$mime[] = $this->EncodeString($string, $encoding);
					if($this->IsError()) { return ""; }
					$mime[] = $this->LE.$this->LE;
				}
				else
				{
					$mime[] = $this->EncodeFile($path, $encoding);
					if($this->IsError()) { return ""; }
					$mime[] = $this->LE.$this->LE;
				}
			}

			$mime[] = sprintf("--%s--%s", $this->boundary[1], $this->LE);

			return join("", $mime);
		}

		/**
		 * Encodes attachment in requested format.  Returns an
		 * empty string on failure.
		 * @access private
		 * @return string
		 */
		function EncodeFile ($path, $encoding = "base64") {
			if(!@$fd = fopen($path, "rb"))
			{
				$this->SetError($this->Lang("file_open") . $path);
				return "";
			}
			$magic_quotes = get_magic_quotes_runtime();
			set_magic_quotes_runtime(0);
			$file_buffer = fread($fd, filesize($path));
			$file_buffer = $this->EncodeString($file_buffer, $encoding);
			fclose($fd);
			set_magic_quotes_runtime($magic_quotes);

			return $file_buffer;
		}

		/**
		 * Encodes string to requested format. Returns an
		 * empty string on failure.
		 * @access private
		 * @return string
		 */
		function EncodeString ($str, $encoding = "base64") {
			$encoded = "";
			switch(strtolower($encoding)) {
				case "base64":
					// chunk_split is found in PHP >= 3.0.6
					$encoded = chunk_split(base64_encode($str), 76, $this->LE);
					break;
				case "7bit":
				case "8bit":
					$encoded = $this->FixEOL($str);
					if (substr($encoded, -(strlen($this->LE))) != $this->LE)
						$encoded .= $this->LE;
					break;
				case "binary":
					$encoded = $str;
					break;
				case "quoted-printable":
					$encoded = $this->EncodeQP($str);
					break;
				default:
					$this->SetError($this->Lang("encoding") . $encoding);
					break;
			}
			return $encoded;
		}

		/**
		 * Encode a header string to best of Q, B, quoted or none.
		 * @access private
		 * @return string
		 */
		function EncodeHeader ($str, $position = 'text') {
			$x = 0;

			switch (strtolower($position)) {
				case 'phrase':
					if (!preg_match('/[\200-\377]/', $str)) {
						// Can't use addslashes as we don't know what value has magic_quotes_sybase.
						$encoded = addcslashes($str, "\0..\37\177\\\"");

						if (($str == $encoded) && !preg_match('/[^A-Za-z0-9!#$%&\'*+\/=?^_`{|}~ -]/', $str))
							return ($encoded);
						else
							return ("\"$encoded\"");
					}
					$x = preg_match_all('/[^\040\041\043-\133\135-\176]/', $str, $matches);
					break;
				case 'comment':
					$x = preg_match_all('/[()"]/', $str, $matches);
				// Fall-through
				case 'text':
				default:
					$x += preg_match_all('/[\000-\010\013\014\016-\037\177-\377]/', $str, $matches);
					break;
			}

			if ($x == 0)
				return ($str);

			$maxlen = 75 - 7 - strlen($this->CharSet);
			// Try to select the encoding which should produce the shortest output
			if (strlen($str)/3 < $x) {
				$encoding = 'B';
				$encoded = base64_encode($str);
				$maxlen -= $maxlen % 4;
				$encoded = trim(chunk_split($encoded, $maxlen, "\n"));
			} else {
				$encoding = 'Q';
				$encoded = $this->EncodeQ($str, $position);
				$encoded = $this->WrapText($encoded, $maxlen, true);
				$encoded = str_replace("=".$this->LE, "\n", trim($encoded));
			}

			$encoded = preg_replace('/^(.*)$/m', " =?".$this->CharSet."?$encoding?\\1?=", $encoded);
			$encoded = trim(str_replace("\n", $this->LE, $encoded));

			return $encoded;
		}

		/**
		 * Encode string to quoted-printable.
		 * @access private
		 * @return string
		 */
		function EncodeQP ($str) {
			$encoded = $this->FixEOL($str);
			if (substr($encoded, -(strlen($this->LE))) != $this->LE)
				$encoded .= $this->LE;

			// Replace every high ascii, control and = characters
			$encoded = preg_replace('/([\000-\010\013\014\016-\037\075\177-\377])/e',
				"'='.sprintf('%02X', ord('\\1'))", $encoded);
			// Replace every spaces and tabs when it's the last character on a line
			$encoded = preg_replace("/([\011\040])".$this->LE."/e",
				"'='.sprintf('%02X', ord('\\1')).'".$this->LE."'", $encoded);

			// Maximum line length of 76 characters before CRLF (74 + space + '=')
			$encoded = $this->WrapText($encoded, 74, true);

			return $encoded;
		}

		/**
		 * Encode string to q encoding.
		 * @access private
		 * @return string
		 */
		function EncodeQ ($str, $position = "text") {
			// There should not be any EOL in the string
			$encoded = preg_replace("[\r\n]", "", $str);

			switch (strtolower($position)) {
				case "phrase":
					$encoded = preg_replace("/([^A-Za-z0-9!*+\/ -])/e", "'='.sprintf('%02X', ord('\\1'))", $encoded);
					break;
				case "comment":
					$encoded = preg_replace("/([\(\)\"])/e", "'='.sprintf('%02X', ord('\\1'))", $encoded);
				case "text":
				default:
					// Replace every high ascii, control =, ? and _ characters
					$encoded = preg_replace('/([\000-\011\013\014\016-\037\075\077\137\177-\377])/e',
						"'='.sprintf('%02X', ord('\\1'))", $encoded);
					break;
			}

			// Replace every spaces to _ (more readable than =20)
			$encoded = str_replace(" ", "_", $encoded);

			return $encoded;
		}

		/**
		 * Adds a string or binary attachment (non-filesystem) to the list.
		 * This method can be used to attach ascii or binary data,
		 * such as a BLOB record from a database.
		 * @param string $string String attachment data.
		 * @param string $filename Name of the attachment.
		 * @param string $encoding File encoding (see $Encoding).
		 * @param string $type File extension (MIME) type.
		 * @return void
		 */
		function AddStringAttachment($string, $filename, $encoding = "base64",
		                             $type = "application/octet-stream") {
			// Append to $attachment array
			$cur = count($this->attachment);
			$this->attachment[$cur][0] = $string;
			$this->attachment[$cur][1] = $filename;
			$this->attachment[$cur][2] = $filename;
			$this->attachment[$cur][3] = $encoding;
			$this->attachment[$cur][4] = $type;
			$this->attachment[$cur][5] = true; // isString
			$this->attachment[$cur][6] = "attachment";
			$this->attachment[$cur][7] = 0;
		}

		/**
		 * Adds an embedded attachment.  This can include images, sounds, and
		 * just about any other document.  Make sure to set the $type to an
		 * image type.  For JPEG images use "image/jpeg" and for GIF images
		 * use "image/gif".
		 * @param string $path Path to the attachment.
		 * @param string $cid Content ID of the attachment.  Use this to identify
		 *        the Id for accessing the image in an HTML form.
		 * @param string $name Overrides the attachment name.
		 * @param string $encoding File encoding (see $Encoding).
		 * @param string $type File extension (MIME) type.
		 * @return bool
		 */
		function AddEmbeddedImage($path, $cid, $name = "", $encoding = "base64",
		                          $type = "application/octet-stream") {

			if(!@is_file($path))
			{
				$this->SetError($this->Lang("file_access") . $path);
				return false;
			}

			$filename = basename($path);
			if($name == "")
				$name = $filename;

			// Append to $attachment array
			$cur = count($this->attachment);
			$this->attachment[$cur][0] = $path;
			$this->attachment[$cur][1] = $filename;
			$this->attachment[$cur][2] = $name;
			$this->attachment[$cur][3] = $encoding;
			$this->attachment[$cur][4] = $type;
			$this->attachment[$cur][5] = false; // isStringAttachment
			$this->attachment[$cur][6] = "inline";
			$this->attachment[$cur][7] = $cid;

			return true;
		}

		/**
		 * Returns true if an inline attachment is present.
		 * @access private
		 * @return bool
		 */
		function InlineImageExists() {
			$result = false;
			for($i = 0; $i < count($this->attachment); $i++)
			{
				if($this->attachment[$i][6] == "inline")
				{
					$result = true;
					break;
				}
			}

			return $result;
		}

		/////////////////////////////////////////////////
		// MESSAGE RESET METHODS
		/////////////////////////////////////////////////

		/**
		 * Clears all recipients assigned in the TO array.  Returns void.
		 * @return void
		 */
		function ClearAddresses() {
			$this->to = array();
		}

		/**
		 * Clears all recipients assigned in the CC array.  Returns void.
		 * @return void
		 */
		function ClearCCs() {
			$this->cc = array();
		}

		/**
		 * Clears all recipients assigned in the BCC array.  Returns void.
		 * @return void
		 */
		function ClearBCCs() {
			$this->bcc = array();
		}

		/**
		 * Clears all recipients assigned in the ReplyTo array.  Returns void.
		 * @return void
		 */
		function ClearReplyTos() {
			$this->ReplyTo = array();
		}

		/**
		 * Clears all recipients assigned in the TO, CC and BCC
		 * array.  Returns void.
		 * @return void
		 */
		function ClearAllRecipients() {
			$this->to = array();
			$this->cc = array();
			$this->bcc = array();
		}

		/**
		 * Clears all previously set filesystem, string, and binary
		 * attachments.  Returns void.
		 * @return void
		 */
		function ClearAttachments() {
			$this->attachment = array();
		}

		/**
		 * Clears all custom headers.  Returns void.
		 * @return void
		 */
		function ClearCustomHeaders() {
			$this->CustomHeader = array();
		}


		/////////////////////////////////////////////////
		// MISCELLANEOUS METHODS
		/////////////////////////////////////////////////

		/**
		 * Adds the error message to the error container.
		 * Returns void.
		 * @access private
		 * @return void
		 */
		function SetError($msg) {
			$this->error_count++;
			$this->ErrorInfo = $msg;
		}

		/**
		 * Returns the proper RFC 822 formatted date.
		 * @access private
		 * @return string
		 */
		function RFCDate() {
			$tz = date("Z");
			$tzs = ($tz < 0) ? "-" : "+";
			$tz = abs($tz);
			$tz = ($tz/3600)*100 + ($tz%3600)/60;
			$result = sprintf("%s %s%04d", date("D, j M Y H:i:s"), $tzs, $tz);

			return $result;
		}

		/**
		 * Returns the appropriate server variable.  Should work with both
		 * PHP 4.1.0+ as well as older versions.  Returns an empty string
		 * if nothing is found.
		 * @access private
		 * @return mixed
		 */
		function ServerVar($varName) {
			global $HTTP_SERVER_VARS;
			global $HTTP_ENV_VARS;

			if(!isset($_SERVER))
			{
				$_SERVER = $HTTP_SERVER_VARS;
				if(!isset($_SERVER["REMOTE_ADDR"]))
					$_SERVER = $HTTP_ENV_VARS; // must be Apache
			}

			if(isset($_SERVER[$varName]))
				return $_SERVER[$varName];
			else
				return "";
		}

		/**
		 * Returns the server hostname or 'localhost.localdomain' if unknown.
		 * @access private
		 * @return string
		 */
		function ServerHostname() {
			if ($this->Hostname != "")
				$result = $this->Hostname;
			elseif ($this->ServerVar('SERVER_NAME') != "")
				$result = $this->ServerVar('SERVER_NAME');
			else
				$result = "localhost.localdomain";

			return $result;
		}

		/**
		 * Returns a message in the appropriate language.
		 * @access private
		 * @return string
		 */
		function Lang($key) {
			if(count($this->language) < 1)
				$this->SetLanguage("en"); // set the default language

			if(isset($this->language[$key]))
				return $this->language[$key];
			else
				return "Language string failed to load: " . $key;
		}

		/**
		 * Returns true if an error occurred.
		 * @return bool
		 */
		function IsError() {
			return ($this->error_count > 0);
		}

		/**
		 * Changes every end of line from CR or LF to CRLF.
		 * @access private
		 * @return string
		 */
		function FixEOL($str) {
			$str = str_replace("\r\n", "\n", $str);
			$str = str_replace("\r", "\n", $str);
			$str = str_replace("\n", $this->LE, $str);
			return $str;
		}

		/**
		 * Adds a custom header.
		 * @return void
		 */
		function AddCustomHeader($custom_header) {
			$this->CustomHeader[] = explode(":", $custom_header, 2);
		}
	}

?>