Email function for a webhost that doesn't support the php mail() function

My webhost doesn't support the built-in php mail() function. I googled for it and found some useful codes:

/*~ class.phpmailer.php
.---------------------------------------------------------------------------.
| Software: PHPMailer - PHP email class |
| Version: 2.3 |
| Contact: via sourceforge.net support pages (also www.codeworxtech.com) |
| Info: http://phpmailer.sourceforge.net |
| Support: http://sourceforge.net/projects/phpmailer/ |
| ------------------------------------------------------------------------- |
| Author: Andy Prevost (project admininistrator) |
| Author: Brent R. Matzelle (original founder) |
| Copyright (c) 2004-2007, Andy Prevost. All Rights Reserved. |
| Copyright (c) 2001-2003, Brent R. Matzelle |
| ------------------------------------------------------------------------- |
| License: Distributed under the Lesser General Public License (LGPL) |
| http://www.gnu.org/copyleft/lesser.html |
| This program is distributed in the hope that it will be useful - WITHOUT |
| ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| FITNESS FOR A PARTICULAR PURPOSE. |
| ------------------------------------------------------------------------- |
| We offer a number of paid services (www.codeworxtech.com): |
| - Web Hosting on highly optimized fast and secure servers |
| - Technology Consulting |
| - Oursourcing (highly qualified programmers and graphic designers) |
'---------------------------------------------------------------------------'

/**
* PHPMailer - PHP email transport class
* NOTE: Designed for use with PHP version 5 and up
* @package PHPMailer
* @author Andy Prevost
* @copyright 2004 - 2008 Andy Prevost
*/

class PHPMailer {

/////////////////////////////////////////////////
// PROPERTIES, PUBLIC
/////////////////////////////////////////////////

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

/**
* Sets the CharSet of the message.
* @var string
*/
public $CharSet = 'iso-8859-1';

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

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

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

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

/**
* Sets the From name of the message.
* @var string
*/
public $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
*/
public $Sender = '';

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

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

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

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

/**
* Sets the path of the sendmail program.
* @var string
*/
public $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
*/
public $PluginDir = '';

/**
* Holds PHPMailer version.
* @var string
*/
public $Version = "2.3";

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

/**
* Sets the message ID to be used in the Message-Id header.
* If empty, a unique id will be generated.
* @var string
*/
public $MessageID = '';

/////////////////////////////////////////////////
// PROPERTIES FOR SMTP
/////////////////////////////////////////////////

/**
* 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
*/
public $Host = 'localhost';

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

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

/**
* Sets connection prefix.
* Options are "", "ssl" or "tls"
* @var string
*/
public $SMTPSecure = "";

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

/**
* Sets SMTP username.
* @var string
*/
public $Username = 'host username';

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

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

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

/**
* Provides the ability to have the TO field process individual
* emails, instead of sending to entire TO addresses
* @var bool
*/
public $SingleTo = false;

/**
* Provides the ability to change the line ending
* @var string
*/
public $LE = "\r\n";

/////////////////////////////////////////////////
// PROPERTIES, PRIVATE
/////////////////////////////////////////////////

private $smtp = NULL;
private $to = array();
private $cc = array();
private $bcc = array();
private $ReplyTo = array();
private $attachment = array();
private $CustomHeader = array();
private $message_type = '';
private $boundary = array();
private $language = array();
private $error_count = 0;
private $sign_cert_file = "";
private $sign_key_file = "";
private $sign_key_pass = "";

/////////////////////////////////////////////////
// METHODS, VARIABLES
/////////////////////////////////////////////////

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

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

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

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

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

/////////////////////////////////////////////////
// METHODS, RECIPIENTS
/////////////////////////////////////////////////

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

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

/**
* 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
*/
public 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 'smtp':
$result = $this->SmtpSend($header, $body);
break;
case 'mail':
$result = $this->MailSend($header, $body);
break;
default:
$result = $this->MailSend($header, $body);
break;
//$this->SetError($this->Mailer . $this->Lang('mailer_not_supported'));
//$result = false;
//break;
}

return $result;
}

/**
* Sends mail using the $Sendmail program.
* @access public
* @return bool
*/
public function SendmailSend($header, $body) {
if ($this->Sender != '') {
$sendmail = sprintf("%s -oi -f %s -t", escapeshellcmd($this->Sendmail), escapeshellarg($this->Sender));
} else {
$sendmail = sprintf("%s -oi -t", escapeshellcmd($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);
if (version_compare(phpversion(), '4.2.3') == -1) {
$result = $result >> 8 & 0xFF;
}
if($result != 0) {
$this->SetError($this->Lang('execute') . $this->Sendmail);
return false;
}

return true;
}

/**
* Sends mail using the PHP mail() function.
* @access public
* @return bool
*/
public function MailSend($header, $body) {

$to = '';
for($i = 0; $i < count($this->to); $i++) {
if($i != 0) { $to .= ', '; }
$to .= $this->AddrFormat($this->to[$i]);
}

$toArr = split(',', $to);

$params = sprintf("-oi -f %s", $this->Sender);
if ($this->Sender != '' && strlen(ini_get('safe_mode'))< 1) {
$old_from = ini_get('sendmail_from');
ini_set('sendmail_from', $this->Sender);
if ($this->SingleTo === true && count($toArr) > 1) {
foreach ($toArr as $key => $val) {
$rt = @mail($val, $this->EncodeHeader($this->SecureHeader($this->Subject)), $body, $header, $params);
}
} else {
$rt = @mail($to, $this->EncodeHeader($this->SecureHeader($this->Subject)), $body, $header, $params);
}
} else {
if ($this->SingleTo === true && count($toArr) > 1) {
foreach ($toArr as $key => $val) {
$rt = @mail($val, $this->EncodeHeader($this->SecureHeader($this->Subject)), $body, $header, $params);
}
} else {
$rt = @mail($to, $this->EncodeHeader($this->SecureHeader($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 public
* @return bool
*/
public 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 public
* @return bool
*/
public 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) {
$hostinfo = array();
if(eregi('^(.+):([0-9]+)$', $hosts[$index], $hostinfo)) {
$host = $hostinfo[1];
$port = $hostinfo[2];
} else {
$host = $hosts[$index];
$port = $this->Port;
}

$tls = ($this->SMTPSecure == 'tls');
$ssl = ($this->SMTPSecure == 'ssl');

if($this->smtp->Connect(($ssl ? 'ssl://':'').$host, $port, $this->Timeout)) {

$hello = ($this->Helo != '' ? $this->Helo : $this->ServerHostname());
$this->smtp->Hello($hello);

if($tls) {
if(!$this->smtp->StartTLS()) {
$this->SetError($this->Lang("tls"));
$this->smtp->Reset();
$connection = false;
}

//We must resend HELLO after tls negociation
$this->smtp->Hello($hello);
}

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

return $connection;
}

/**
* Closes the active SMTP session if one exists.
* @return void
*/
public 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 = 'en', $lang_path = 'language/') {
if( !(@include $lang_path.'phpmailer.lang-'.$lang_type.'.php') ) {
$PHPMAILER_LANG = array();
$PHPMAILER_LANG["provide_address"] = 'You must provide at least one ' .
$PHPMAILER_LANG["mailer_not_supported"] = ' mailer is not supported.';
$PHPMAILER_LANG["execute"] = 'Could not execute: ';
$PHPMAILER_LANG["instantiate"] = 'Could not instantiate mail function.';
$PHPMAILER_LANG["authenticate"] = 'SMTP Error: Could not authenticate.';
$PHPMAILER_LANG["from_failed"] = 'The following From address failed: ';
$PHPMAILER_LANG["recipients_failed"] = 'SMTP Error: The following ' .
$PHPMAILER_LANG["data_not_accepted"] = 'SMTP Error: Data not accepted.';
$PHPMAILER_LANG["connect_host"] = 'SMTP Error: Could not connect to SMTP host.';
$PHPMAILER_LANG["file_access"] = 'Could not access file: ';
$PHPMAILER_LANG["file_open"] = 'File Error: Could not open file: ';
$PHPMAILER_LANG["encoding"] = 'Unknown encoding: ';
$PHPMAILER_LANG["signing"] = 'Signing Error: ';
}
$this->language = $PHPMAILER_LANG;
return true;
}

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

/**
* Creates recipient headers.
* @access public
* @return string
*/
public 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 public
* @return string
*/
public function AddrFormat($addr) {
if(empty($addr[1])) {
$formatted = $this->SecureHeader($addr[0]);
} else {
$formatted = $this->EncodeHeader($this->SecureHeader($addr[1]), 'phrase') . " <" . $this->SecureHeader($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 public
* @return string
*/
public function WrapText($message, $length, $qp_mode = false) {
$soft_break = ($qp_mode) ? sprintf(" =%s", $this->LE) : $this->LE;
// If utf-8 encoding is used, we will need to make sure we don't
// split multibyte characters when we wrap
$is_utf8 = (strtolower($this->CharSet) == "utf-8");

$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 $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 = $space_left;
if ($is_utf8) {
$len = $this->UTF8CharBoundary($word, $len);
} elseif (substr($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 = $length;
if ($is_utf8) {
$len = $this->UTF8CharBoundary($word, $len);
} elseif (substr($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;
}

/**
* Finds last character boundary prior to maxLength in a utf-8
* quoted (printable) encoded string.
* Original written by Colin Brown.
* @access public
* @param string $encodedText utf-8 QP text
* @param int $maxLength find last character boundary prior to this length
* @return int
*/
public function UTF8CharBoundary($encodedText, $maxLength) {
$foundSplitPos = false;
$lookBack = 3;
while (!$foundSplitPos) {
$lastChunk = substr($encodedText, $maxLength - $lookBack, $lookBack);
$encodedCharPos = strpos($lastChunk, "=");
if ($encodedCharPos !== false) {
// Found start of encoded character byte within $lookBack block.
// Check the encoded byte value (the 2 chars after the '=')
$hex = substr($encodedText, $maxLength - $lookBack + $encodedCharPos + 1, 2);
$dec = hexdec($hex);
if ($dec < 128) { // Single byte character.
// If the encoded char was found at pos 0, it will fit
// otherwise reduce maxLength to start of the encoded char
$maxLength = ($encodedCharPos == 0) ? $maxLength :
$maxLength - ($lookBack - $encodedCharPos);
$foundSplitPos = true;
} elseif ($dec >= 192) { // First byte of a multi byte character
// Reduce maxLength to split at start of character
$maxLength = $maxLength - ($lookBack - $encodedCharPos);
$foundSplitPos = true;
} elseif ($dec < 192) { // Middle byte of a multi byte character, look further back
$lookBack += 3;
}
} else {
// No encoded character found
$foundSplitPos = true;
}
}
return $maxLength;
}


/**
* Set the body wrapping.
* @access public
* @return void
*/
public 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 public
* @return string
*/
public 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', $this->to);
} elseif (count($this->cc) == 0) {
$result .= $this->HeaderLine('To', 'undisclosed-recipients:;');
}
}

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

/* sendmail and mail() extract Cc from the header before sending */
if((($this->Mailer == 'sendmail') || ($this->Mailer == 'mail')) && (count($this->cc) > 0)) {
$result .= $this->AddrAppend('Cc', $this->cc);
}

/* 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', $this->EncodeHeader($this->SecureHeader($this->Subject)));
}

if($this->MessageID != '') {
$result .= $this->HeaderLine('Message-ID',$this->MessageID);
} else {
$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 (phpmailer.codeworxtech.com) [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[$index][1])));
}
if (!$this->sign_key_file) {
$result .= $this->HeaderLine('MIME-Version', '1.0');
$result .= $this->GetMailMIME();
}

return $result;
}

/**
* Returns the message MIME.
* @access public
* @return string
*/
public function GetMailMIME() {
$result = '';
switch($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 public
* @return string
*/
public function CreateBody() {
$result = '';

if ($this->sign_key_file) {
$result .= $this->GetMailMIME();
}

$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);
$result .= $this->GetBoundary($this->boundary[2], '', 'text/plain', '') . $this->LE; // Create text body
$result .= $this->EncodeString($this->AltBody, $this->Encoding);
$result .= $this->LE.$this->LE;
$result .= $this->GetBoundary($this->boundary[2], '', 'text/html', '') . $this->LE; // Create the HTML body
$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()) {
$result = '';
} else if ($this->sign_key_file) {
$file = tempnam("", "mail");
$fp = fopen($file, "w");
fwrite($fp, $result);
fclose($fp);
$signed = tempnam("", "signed");

if (@openssl_pkcs7_sign($file, $signed, "file://".$this->sign_cert_file, array("file://".$this->sign_key_file, $this->sign_key_pass), null)) {
$fp = fopen($signed, "r");
$result = '';
while(!feof($fp)){
$result = $result . fread($fp, 1024);
}
fclose($fp);
} else {
$this->SetError($this->Lang("signing").openssl_error_string());
$result = '';
}

unlink($file);
unlink($signed);
}

return $result;
}

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

/**
* Sets the message type.
* @access public
* @return void
*/
public 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 public
* @return string
*/
public function HeaderLine($name, $value) {
return $name . ': ' . $value . $this->LE;
}

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

/////////////////////////////////////////////////
// CLASS METHODS, ATTACHMENTS
/////////////////////////////////////////////////

/**
* 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 $type File extension (MIME) type.
* @return bool
*/
public function AddAttachment($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 public
* @return string
*/
public 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-Type: %s; name=\"%s\"%s", $type, $this->EncodeHeader($this->SecureHeader($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);
$mime[] = sprintf("Content-Disposition: %s; filename=\"%s\"%s", $disposition, $this->EncodeHeader($this->SecureHeader($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 public
* @return string
*/
public function EncodeFile ($path, $encoding = 'base64') {
if(!@$fd = fopen($path, 'rb')) {
$this->SetError($this->Lang('file_open') . $path);
return '';
}
if (function_exists('get_magic_quotes')) {
function get_magic_quotes() {
return false;
}
}
if (PHP_VERSION < 6) {
$magic_quotes = get_magic_quotes_runtime();
set_magic_quotes_runtime(0);
}
$file_buffer = file_get_contents($path);
$file_buffer = $this->EncodeString($file_buffer, $encoding);
fclose($fd);
if (PHP_VERSION < 6) { set_magic_quotes_runtime($magic_quotes); }
return $file_buffer;
}

/**
* Encodes string to requested format. Returns an
* empty string on failure.
* @access public
* @return string
*/
public function EncodeString ($str, $encoding = 'base64') {
$encoded = '';
switch(strtolower($encoding)) {
case 'base64':
$encoded = chunk_split(base64_encode($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 public
* @return string
*/
public 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';
if (function_exists('mb_strlen') && $this->HasMultiBytes($str)) {
// Use a custom function which correctly encodes and wraps long
// multibyte strings without breaking lines within a character
$encoded = $this->Base64EncodeWrapMB($str);
} else {
$encoded = base64_encode($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;
}

/**
* Checks if a string contains multibyte characters.
* @access public
* @param string $str multi-byte text to wrap encode
* @return bool
*/
public function HasMultiBytes($str) {
if (function_exists('mb_strlen')) {
return (strlen($str) > mb_strlen($str, $this->CharSet));
} else { // Assume no multibytes (we can't handle without mbstring functions anyway)
return False;
}
}

/**
* Correctly encodes and wraps long multibyte strings for mail headers
* without breaking lines within a character.
* Adapted from a function by paravoid at http://uk.php.net/manual/en/function.mb-encode-mimeheader.php
* @access public
* @param string $str multi-byte text to wrap encode
* @return string
*/
public function Base64EncodeWrapMB($str) {
$start = "=?".$this->CharSet."?B?";
$end = "?=";
$encoded = "";

$mb_length = mb_strlen($str, $this->CharSet);
// Each line must have length <= 75, including $start and $end
$length = 75 - strlen($start) - strlen($end);
// Average multi-byte ratio
$ratio = $mb_length / strlen($str);
// Base64 has a 4:3 ratio
$offset = $avgLength = floor($length * $ratio * .75);

for ($i = 0; $i < $mb_length; $i += $offset) {
$lookBack = 0;

do {
$offset = $avgLength - $lookBack;
$chunk = mb_substr($str, $i, $offset, $this->CharSet);
$chunk = base64_encode($chunk);
$lookBack++;
}
while (strlen($chunk) > $length);

$encoded .= $chunk . $this->LE;
}

// Chomp the last linefeed
$encoded = substr($encoded, 0, -strlen($this->LE));
return $encoded;
}

/**
* Encode string to quoted-printable.
* @access public
* @param string $string the text to encode
* @param integer $line_max Number of chars allowed on a line before wrapping
* @return string
*/
public function EncodeQP( $input = '', $line_max = 76, $space_conv = false ) {
$hex = array('0','1','2','3','4','5','6','7','8','9','A','B','C','D','E','F');
$lines = preg_split('/(?:\r\n|\r|\n)/', $input);
$eol = "\r\n";
$escape = '=';
$output = '';
while( list(, $line) = each($lines) ) {
$linlen = strlen($line);
$newline = '';
for($i = 0; $i < $linlen; $i++) {
$c = substr( $line, $i, 1 );
$dec = ord( $c );
if ( ( $i == 0 ) && ( $dec == 46 ) ) { // convert first point in the line into =2E
$c = '=2E';
}
if ( $dec == 32 ) {
if ( $i == ( $linlen - 1 ) ) { // convert space at eol only
$c = '=20';
} else if ( $space_conv ) {
$c = '=20';
}
} elseif ( ($dec == 61) || ($dec < 32 ) || ($dec > 126) ) { // always encode "\t", which is *not* required
$h2 = floor($dec/16);
$h1 = floor($dec%16);
$c = $escape.$hex[$h2].$hex[$h1];
}
if ( (strlen($newline) + strlen($c)) >= $line_max ) { // CRLF is not counted
$output .= $newline.$escape.$eol; // soft line break; " =\r\n" is okay
$newline = '';
// check if newline first character will be point or not
if ( $dec == 46 ) {
$c = '=2E';
}
}
$newline .= $c;
} // end of for
$output .= $newline.$eol;
} // end of while
return $output;
}

/**
* Encode string to q encoding.
* @access public
* @return string
*/
public 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 $type File extension (MIME) type.
* @return void
*/
public function AddStringAttachment($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 $type File extension (MIME) type.
* @return bool
*/
public function AddEmbeddedImage($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;
$this->attachment[$cur][6] = 'inline';
$this->attachment[$cur][7] = $cid;

return true;
}

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

return $result;
}

/////////////////////////////////////////////////
// CLASS METHODS, MESSAGE RESET
/////////////////////////////////////////////////

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

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

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

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

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

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

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

/////////////////////////////////////////////////
// CLASS METHODS, MISCELLANEOUS
/////////////////////////////////////////////////

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

/**
* Returns the proper RFC 822 formatted date.
* @access private
* @return string
*/
private static function RFCDate() {
$tz = date('Z');
$tzs = ($tz < 0) ? '-' : '+';
$tz = abs($tz);
$tz = (int)($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 server hostname or 'localhost.localdomain' if unknown.
* @access private
* @return string
*/
private function ServerHostname() {
if (!empty($this->Hostname)) {
$result = $this->Hostname;
} elseif (isset($_SERVER['SERVER_NAME'])) {
$result = $_SERVER['SERVER_NAME'];
} else {
$result = "localhost.localdomain";
}

return $result;
}

/**
* Returns a message in the appropriate language.
* @access private
* @return string
*/
private 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.
* @access public
* @return bool
*/
public function IsError() {
return ($this->error_count > 0);
}

/**
* Changes every end of line from CR or LF to CRLF.
* @access private
* @return string
*/
private 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.
* @access public
* @return void
*/
public function AddCustomHeader($custom_header) {
$this->CustomHeader[] = explode(':', $custom_header, 2);
}

/**
* Evaluates the message and returns modifications for inline images and backgrounds
* @access public
* @return $message
*/
public function MsgHTML($message,$basedir='') {
preg_match_all("/(src|background)=\"(.*)\"/Ui", $message, $images);
if(isset($images[2])) {
foreach($images[2] as $i => $url) {
// do not change urls for absolute images (thanks to corvuscorax)
if (!preg_match('/^[A-z][A-z]*:\/\//',$url)) {
$filename = basename($url);
$directory = dirname($url);
($directory == '.')?$directory='':'';
$cid = 'cid:' . md5($filename);
$fileParts = split("\.", $filename);
$ext = $fileParts[1];
$mimeType = $this->_mime_types($ext);
if ( strlen($basedir) > 1 && substr($basedir,-1) != '/') { $basedir .= '/'; }
if ( strlen($directory) > 1 && substr($directory,-1) != '/') { $directory .= '/'; }
if ( $this->AddEmbeddedImage($basedir.$directory.$filename, md5($filename), $filename, 'base64',$mimeType) ) {
$message = preg_replace("/".$images[1][$i]."=\"".preg_quote($url, '/')."\"/Ui", $images[1][$i]."=\"".$cid."\"", $message);
}
}
}
}
$this->IsHTML(true);
$this->Body = $message;
$textMsg = trim(strip_tags(preg_replace('/<(head|title|style|script)[^>]*>.*?<\/\\1>/s','',$message)));
if ( !empty($textMsg) && empty($this->AltBody) ) {
$this->AltBody = html_entity_decode($textMsg);
}
if ( empty($this->AltBody) ) {
$this->AltBody = 'To view this email message, open the email in with HTML compatibility!' . "\n\n";
}
}

/**
* Gets the mime type of the embedded or inline image
* @access public
* @return mime type of ext
*/
public function _mime_types($ext = '') {
$mimes = array(
'hqx' => 'application/mac-binhex40',
'cpt' => 'application/mac-compactpro',
'doc' => 'application/msword',
'bin' => 'application/macbinary',
'dms' => 'application/octet-stream',
'lha' => 'application/octet-stream',
'lzh' => 'application/octet-stream',
'exe' => 'application/octet-stream',
'class' => 'application/octet-stream',
'psd' => 'application/octet-stream',
'so' => 'application/octet-stream',
'sea' => 'application/octet-stream',
'dll' => 'application/octet-stream',
'oda' => 'application/oda',
'pdf' => 'application/pdf',
'ai' => 'application/postscript',
'eps' => 'application/postscript',
'ps' => 'application/postscript',
'smi' => 'application/smil',
'smil' => 'application/smil',
'mif' => 'application/vnd.mif',
'xls' => 'application/vnd.ms-excel',
'ppt' => 'application/vnd.ms-powerpoint',
'wbxml' => 'application/vnd.wap.wbxml',
'wmlc' => 'application/vnd.wap.wmlc',
'dcr' => 'application/x-director',
'dir' => 'application/x-director',
'dxr' => 'application/x-director',
'dvi' => 'application/x-dvi',
'gtar' => 'application/x-gtar',
'php' => 'application/x-httpd-php',
'php4' => 'application/x-httpd-php',
'php3' => 'application/x-httpd-php',
'phtml' => 'application/x-httpd-php',
'phps' => 'application/x-httpd-php-source',
'js' => 'application/x-javascript',
'swf' => 'application/x-shockwave-flash',
'sit' => 'application/x-stuffit',
'tar' => 'application/x-tar',
'tgz' => 'application/x-tar',
'xhtml' => 'application/xhtml+xml',
'xht' => 'application/xhtml+xml',
'zip' => 'application/zip',
'mid' => 'audio/midi',
'midi' => 'audio/midi',
'mpga' => 'audio/mpeg',
'mp2' => 'audio/mpeg',
'mp3' => 'audio/mpeg',
'aif' => 'audio/x-aiff',
'aiff' => 'audio/x-aiff',
'aifc' => 'audio/x-aiff',
'ram' => 'audio/x-pn-realaudio',
'rm' => 'audio/x-pn-realaudio',
'rpm' => 'audio/x-pn-realaudio-plugin',
'ra' => 'audio/x-realaudio',
'rv' => 'video/vnd.rn-realvideo',
'wav' => 'audio/x-wav',
'bmp' => 'image/bmp',
'gif' => 'image/gif',
'jpeg' => 'image/jpeg',
'jpg' => 'image/jpeg',
'jpe' => 'image/jpeg',
'png' => 'image/png',
'tiff' => 'image/tiff',
'tif' => 'image/tiff',
'css' => 'text/css',
'html' => 'text/html',
'htm' => 'text/html',
'shtml' => 'text/html',
'txt' => 'text/plain',
'text' => 'text/plain',
'log' => 'text/plain',
'rtx' => 'text/richtext',
'rtf' => 'text/rtf',
'xml' => 'text/xml',
'xsl' => 'text/xml',
'mpeg' => 'video/mpeg',
'mpg' => 'video/mpeg',
'mpe' => 'video/mpeg',
'qt' => 'video/quicktime',
'mov' => 'video/quicktime',
'avi' => 'video/x-msvideo',
'movie' => 'video/x-sgi-movie',
'doc' => 'application/msword',
'word' => 'application/msword',
'xl' => 'application/excel',
'eml' => 'message/rfc822'
);
return ( ! isset($mimes[strtolower($ext)])) ? 'application/octet-stream' : $mimes[strtolower($ext)];
}

/**
* Set (or reset) Class Objects (variables)
*
* Usage Example:
* $page->set('X-Priority', '3');
*
* @access public
* @param string $name Parameter Name
* @param mixed $value Parameter Value
* NOTE: will not work with arrays, there are no arrays to set/reset
*/
public function set ( $name, $value = '' ) {
if ( isset($this->$name) ) {
$this->$name = $value;
} else {
$this->SetError('Cannot set or reset variable ' . $name);
return false;
}
}

/**
* Read a file from a supplied filename and return it.
*
* @access public
* @param string $filename Parameter File Name
*/
public function getFile($filename) {
$return = '';
if ($fp = fopen($filename, 'rb')) {
while (!feof($fp)) {
$return .= fread($fp, 1024);
}
fclose($fp);
return $return;
} else {
return false;
}
}

/**
* Strips newlines to prevent header injection.
* @access public
* @param string $str String
* @return string
*/
public function SecureHeader($str) {
$str = trim($str);
$str = str_replace("\r", "", $str);
$str = str_replace("\n", "", $str);
return $str;
}

/**
* Set the private key file and password to sign the message.
*
* @access public
* @param string $key_filename Parameter File Name
* @param string $key_pass Password for private key
*/
public function Sign($cert_filename, $key_filename, $key_pass) {
$this->sign_cert_file = $cert_filename;
$this->sign_key_file = $key_filename;
$this->sign_key_pass = $key_pass;
}
}

?>

---

/*testmail.php */
require("class.phpmailer.php");

$mail = new PHPMailer();

$mail->IsSMTP(); // telling the class to use SMTP
$mail->Host = "localhost"; // SMTP server

$mail->From = "from@yahoo.com";
$mail->AddAddress("to@yahoo.com");

$mail->Subject = "First PHPMailer Message";
$mail->Body = "Hi! \n\n This is my first e-mail sent through PHPMailer.";
$mail->WordWrap = 50;

if(!$mail->Send()) {
echo 'Message was not sent.';
echo 'Mailer error: ' . $mail->ErrorInfo;
} else {
echo 'Message has been sent.';
}
?>