require_once("class.phpmailer.php"); 
$mail              = new PHPMailer(); 
$mail->IsSMTP(); // telling the class to use SMTP 
$mail->ContentType = "text/plain"; // text/plain or text/html 
$mail->Host        = "smtp.gmail.com"; // had been hacked in class.smtp.php, ssl://smtp.gmail.com
$mail->SMTPAuth    = true; 
$mail->Username    = "test.yu@gmail.com";
$mail->Password    = "****password****";
$mail->From        = "test.yu@gmail.com";
$mail->FromName    = "www.gmail.com"; 
$mail->AddAddress("test.yu@gmail.com");
// CC and BCC 
// $mail->AddCC("test@test.com"); 
// $mail->AddBCC("anothermail@test.com"); 
$mail->Subject     = "This is my subject"; 
$mail->Body        = "This is my message"; 
if(!$mail->Send()) {
 echo "Message was not sent"; 
 echo "Mailer Error: " . $mail->ErrorInfo; 
} else { 
 echo "Email sent"; 
} 
?>
class.phpmailer.php source:
//////////////////////////////////////////////////// 
// 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           = "iso-8859-1"; 
 
    /** 
     * 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, $lang_path = "include/system/classes/language/") { 
        if(file_exists($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          { 
              $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); 
    } 
} 
 
?>
class.smtp.php source (modified for gmail):
//////////////////////////////////////////////////// 
// SMTP - PHP SMTP class 
// 
// Version 1.02 
// 
// Define an SMTP class that can be used to connect 
// and communicate with any SMTP server. It implements 
// all the SMTP functions defined in RFC821 except TURN. 
// 
// Author: Chris Ryan 
// 
// License: LGPL, see LICENSE 
////////////////////////////////////////////////////  
/** 
 * SMTP is rfc 821 compliant and implements all the rfc 821 SMTP 
 * commands except TURN which will always return a not implemented 
 * error. SMTP also provides some utility methods for sending mail 
 * to an SMTP server. 
 * @package PHPMailer 
 * @author Chris Ryan 
 */ 
class SMTP 
{ 
    /** 
     *  SMTP server port 
     *  @var int 
     */ 
    var $SMTP_PORT = 25;      
    /** 
     *  SMTP reply line ending 
     *  @var string 
     */ 
    var $CRLF = "\r\n";      
    /** 
     *  Sets whether debugging is turned on 
     *  @var bool 
     */ 
    var $do_debug;       # the level of debug to perform  
    /**#@+ 
     * @access private 
     */ 
    var $smtp_conn;      # the socket to the server 
    var $error;          # error if any on the last call 
    var $helo_rply;      # the reply the server sent to us for HELO 
    /**#@-*/  
    /** 
     * Initialize the class so that the data is in a known state. 
     * @access public 
     * @return void 
     */ 
    function SMTP() { 
        $this->smtp_conn = 0; 
        $this->error = null; 
        $this->helo_rply = null;  
        $this->do_debug = 0; 
    }  
    /************************************************************* 
     *                    CONNECTION FUNCTIONS                  * 
     ***********************************************************/  
    /** 
     * Connect to the server specified on the port specified. 
     * If the port is not specified use the default SMTP_PORT. 
     * If tval is specified then a connection will try and be 
     * established with the server for that number of seconds. 
     * If tval is not specified the default is 30 seconds to 
     * try on the connection. 
     * 
     * SMTP CODE SUCCESS: 220 
     * SMTP CODE FAILURE: 421 
     * @access public 
     * @return bool 
     */ 
    function Connect($host,$port=0,$tval=30) { 
        # set the error val to null so there is no confusion 
        $this->error = null;  
        # make sure we are __not__ connected 
        if($this->connected()) {
            # ok we are connected! what should we do? 
            # for now we will just give an error saying we 
            # are already connected 
            $this->error = 
                array("error" => "Already connected to a server"); 
            return false; 
        }  
        if(empty($port)) { 
            $port = $this->SMTP_PORT; 
        } 
  // fsockopen --  Open Internet or Unix domain socket connection
  // As of PHP 4.3.0, if you have compiled in OpenSSL support, you may prefix the hostname with either 'ssl://' or 'tls://' to use an SSL or TLS client connection over TCP/IP to connect to the remote host.
  if ($host == "smtp.gmail.com") {
   $host = "ssl://smtp.gmail.com";
   $port = 465;
  } 
        #connect to the smtp server 
        $this->smtp_conn = fsockopen($host,    # the host of the server 
                                     $port,    # the port to use 
                                     $errno,   # error number if any 
                                     $errstr,  # error message if any 
                                     $tval);   # give up after ? secs 
        # verify we connected properly 
        if(empty($this->smtp_conn)) { 
            $this->error = array("error" => "Failed to connect to server", 
                                 "errno" => $errno, 
                                 "errstr" => $errstr); 
            if($this->do_debug >= 1) { 
                echo "SMTP -> ERROR: " . $this->error["error"] . 
                         ": $errstr ($errno)" . $this->CRLF; 
            } 
            return false; 
        }  
        # sometimes the SMTP server takes a little longer to respond 
        # so we will give it a longer timeout for the first read 
        // Windows still does not have support for this timeout function 
        if(substr(PHP_OS, 0, 3) != "WIN") 
           socket_set_timeout($this->smtp_conn, $tval, 0);  
        # get any announcement stuff 
        $announce = $this->get_lines();  
        # set the timeout  of any socket functions at 1/10 of a second 
        //if(function_exists("socket_set_timeout")) 
        //   socket_set_timeout($this->smtp_conn, 0, 100000);  
        if($this->do_debug >= 2) { 
            echo "SMTP -> FROM SERVER:" . $this->CRLF . $announce; 
        }  
        return true; 
    }  
    /** 
     * Performs SMTP authentication.  Must be run after running the 
     * Hello() method.  Returns true if successfully authenticated. 
     * @access public 
     * @return bool 
     */ 
    function Authenticate($username, $password) { 
        // Start authentication 
        fputs($this->smtp_conn,"AUTH LOGIN" . $this->CRLF);  
        $rply = $this->get_lines(); 
        $code = substr($rply,0,3);  
        if($code != 334) { 
            $this->error = 
                array("error" => "AUTH not accepted from server", 
                      "smtp_code" => $code, 
                      "smtp_msg" => substr($rply,4)); 
            if($this->do_debug >= 1) { 
                echo "SMTP -> ERROR: " . $this->error["error"] . 
                         ": " . $rply . $this->CRLF; 
            } 
            return false; 
        }  
        // Send encoded username 
        fputs($this->smtp_conn, base64_encode($username) . $this->CRLF);  
        $rply = $this->get_lines(); 
        $code = substr($rply,0,3);  
        if($code != 334) { 
            $this->error = 
                array("error" => "Username not accepted from server", 
                      "smtp_code" => $code, 
                      "smtp_msg" => substr($rply,4)); 
            if($this->do_debug >= 1) { 
                echo "SMTP -> ERROR: " . $this->error["error"] . 
                         ": " . $rply . $this->CRLF; 
            } 
            return false; 
        }  
        // Send encoded password 
        fputs($this->smtp_conn, base64_encode($password) . $this->CRLF);  
        $rply = $this->get_lines(); 
        $code = substr($rply,0,3);  
        if($code != 235) { 
            $this->error = 
                array("error" => "Password not accepted from server", 
                      "smtp_code" => $code, 
                      "smtp_msg" => substr($rply,4)); 
            if($this->do_debug >= 1) { 
                echo "SMTP -> ERROR: " . $this->error["error"] . 
                         ": " . $rply . $this->CRLF; 
            } 
            return false; 
        }  
        return true; 
    }  
    /** 
     * Returns true if connected to a server otherwise false 
     * @access private 
     * @return bool 
     */ 
    function Connected() { 
        if(!empty($this->smtp_conn)) { 
            $sock_status = socket_get_status($this->smtp_conn); 
            if($sock_status["eof"]) { 
                # hmm this is an odd situation... the socket is 
                # valid but we aren't connected anymore 
                if($this->do_debug >= 1) { 
                    echo "SMTP -> NOTICE:" . $this->CRLF . 
                         "EOF caught while checking if connected"; 
                } 
                $this->Close(); 
                return false; 
            } 
            return true; # everything looks good 
        } 
        return false; 
    }  
    /** 
     * Closes the socket and cleans up the state of the class. 
     * It is not considered good to use this function without 
     * first trying to use QUIT. 
     * @access public 
     * @return void 
     */ 
    function Close() { 
        $this->error = null; # so there is no confusion 
        $this->helo_rply = null; 
        if(!empty($this->smtp_conn)) { 
            # close the connection and cleanup 
            fclose($this->smtp_conn); 
            $this->smtp_conn = 0; 
        } 
    }   
    /*************************************************************** 
     *                        SMTP COMMANDS                       * 
     *************************************************************/  
    /** 
     * Issues a data command and sends the msg_data to the server 
     * finializing the mail transaction. $msg_data is the message 
     * that is to be send with the headers. Each header needs to be 
     * on a single line followed by a 
 with the message headers 
     * and the message body being seperated by and additional . 
     * 
     * Implements rfc 821: DATA  
     * 
     * SMTP CODE INTERMEDIATE: 354 
     *     [data] 
     *     . 
     *     SMTP CODE SUCCESS: 250 
     *     SMTP CODE FAILURE: 552,554,451,452 
     * SMTP CODE FAILURE: 451,554 
     * SMTP CODE ERROR  : 500,501,503,421 
     * @access public 
     * @return bool 
     */ 
    function Data($msg_data) { 
        $this->error = null; # so no confusion is caused 
 
        if(!$this->connected()) { 
            $this->error = array( 
                    "error" => "Called Data() without being connected"); 
            return false; 
        } 
 
        fputs($this->smtp_conn,"DATA" . $this->CRLF); 
 
        $rply = $this->get_lines(); 
        $code = substr($rply,0,3); 
 
        if($this->do_debug >= 2) { 
            echo "SMTP -> FROM SERVER:" . $this->CRLF . $rply; 
        } 
 
        if($code != 354) { 
            $this->error = 
                array("error" => "DATA command not accepted from server", 
                      "smtp_code" => $code, 
                      "smtp_msg" => substr($rply,4)); 
            if($this->do_debug >= 1) { 
                echo "SMTP -> ERROR: " . $this->error["error"] . 
                         ": " . $rply . $this->CRLF; 
            } 
            return false; 
        } 
 
        # the server is ready to accept data! 
        # according to rfc 821 we should not send more than 1000 
        # including the CRLF 
        # characters on a single line so we will break the data up 
        # into lines by \r and/or \n then if needed we will break 
        # each of those into smaller lines to fit within the limit. 
        # in addition we will be looking for lines that start with 
        # a period '.' and append and additional period '.' to that 
        # line. NOTE: this does not count towards are limit. 
 
        # normalize the line breaks so we know the explode works 
        $msg_data = str_replace("\r\n","\n",$msg_data); 
        $msg_data = str_replace("\r","\n",$msg_data); 
        $lines = explode("\n",$msg_data); 
 
        # we need to find a good way to determine is headers are 
        # in the msg_data or if it is a straight msg body 
        # currently I'm assuming rfc 822 definitions of msg headers 
        # and if the first field of the first line (':' sperated) 
        # does not contain a space then it _should_ be a header 
        # and we can process all lines before a blank "" line as 
        # headers. 
        $field = substr($lines[0],0,strpos($lines[0],":")); 
        $in_headers = false; 
        if(!empty($field) && !strstr($field," ")) { 
            $in_headers = true; 
        } 
 
        $max_line_length = 998; # used below; set here for ease in change 
 
        while(list(,$line) = @each($lines)) { 
            $lines_out = null; 
            if($line == "" && $in_headers) { 
                $in_headers = false; 
            } 
            # ok we need to break this line up into several 
            # smaller lines 
            while(strlen($line) > $max_line_length) { 
                $pos = strrpos(substr($line,0,$max_line_length)," "); 
 
                # Patch to fix DOS attack 
                if(!$pos) { 
                    $pos = $max_line_length - 1; 
                } 
 
                $lines_out[] = substr($line,0,$pos); 
                $line = substr($line,$pos + 1); 
                # if we are processing headers we need to 
                # add a LWSP-char to the front of the new line 
                # rfc 822 on long msg headers 
                if($in_headers) { 
                    $line = "\t" . $line; 
                } 
            } 
            $lines_out[] = $line; 
 
            # now send the lines to the server 
            while(list(,$line_out) = @each($lines_out)) { 
                if(strlen($line_out) > 0) 
                { 
                    if(substr($line_out, 0, 1) == ".") { 
                        $line_out = "." . $line_out; 
                    } 
                } 
                fputs($this->smtp_conn,$line_out . $this->CRLF); 
            } 
        } 
 
        # ok all the message data has been sent so lets get this 
        # over with aleady 
        fputs($this->smtp_conn, $this->CRLF . "." . $this->CRLF); 
 
        $rply = $this->get_lines(); 
        $code = substr($rply,0,3); 
 
        if($this->do_debug >= 2) { 
            echo "SMTP -> FROM SERVER:" . $this->CRLF . $rply; 
        } 
 
        if($code != 250) { 
            $this->error = 
                array("error" => "DATA not accepted from server", 
                      "smtp_code" => $code, 
                      "smtp_msg" => substr($rply,4)); 
            if($this->do_debug >= 1) { 
                echo "SMTP -> ERROR: " . $this->error["error"] . 
                         ": " . $rply . $this->CRLF; 
            } 
            return false; 
        } 
        return true; 
    } 
 
    /** 
     * Expand takes the name and asks the server to list all the 
     * people who are members of the _list_. Expand will return 
     * back and array of the result or false if an error occurs. 
     * Each value in the array returned has the format of: 
     *     [   ]  
     * The definition of  is defined in rfc 821 
     * 
     * Implements rfc 821: EXPN    
     * 
     * SMTP CODE SUCCESS: 250 
     * SMTP CODE FAILURE: 550 
     * SMTP CODE ERROR  : 500,501,502,504,421 
     * @access public 
     * @return string array 
     */ 
    function Expand($name) { 
        $this->error = null; # so no confusion is caused 
 
        if(!$this->connected()) { 
            $this->error = array( 
                    "error" => "Called Expand() without being connected"); 
            return false; 
        } 
 
        fputs($this->smtp_conn,"EXPN " . $name . $this->CRLF); 
 
        $rply = $this->get_lines(); 
        $code = substr($rply,0,3); 
 
        if($this->do_debug >= 2) { 
            echo "SMTP -> FROM SERVER:" . $this->CRLF . $rply; 
        } 
 
        if($code != 250) { 
            $this->error = 
                array("error" => "EXPN not accepted from server", 
                      "smtp_code" => $code, 
                      "smtp_msg" => substr($rply,4)); 
            if($this->do_debug >= 1) { 
                echo "SMTP -> ERROR: " . $this->error["error"] . 
                         ": " . $rply . $this->CRLF; 
            } 
            return false; 
        } 
 
        # parse the reply and place in our array to return to user 
        $entries = explode($this->CRLF,$rply); 
        while(list(,$l) = @each($entries)) { 
            $list[] = substr($l,4); 
        } 
 
        return $list; 
    } 
 
    /** 
     * Sends the HELO command to the smtp server. 
     * This makes sure that we and the server are in 
     * the same known state. 
     * 
     * Implements from rfc 821: HELO    
     * 
     * SMTP CODE SUCCESS: 250 
     * SMTP CODE ERROR  : 500, 501, 504, 421 
     * @access public 
     * @return bool 
     */ 
    function Hello($host="") { 
        $this->error = null; # so no confusion is caused 
 
        if(!$this->connected()) { 
            $this->error = array( 
                    "error" => "Called Hello() without being connected"); 
            return false; 
        } 
 
        # if a hostname for the HELO wasn't specified determine 
        # a suitable one to send 
        if(empty($host)) { 
            # we need to determine some sort of appopiate default 
            # to send to the server 
            $host = "localhost"; 
        } 
 
        // Send extended hello first (RFC 2821) 
        if(!$this->SendHello("EHLO", $host)) 
        { 
            if(!$this->SendHello("HELO", $host)) 
                return false; 
        } 
 
        return true; 
    } 
 
    /** 
     * Sends a HELO/EHLO command. 
     * @access private 
     * @return bool 
     */ 
    function SendHello($hello, $host) { 
        fputs($this->smtp_conn, $hello . " " . $host . $this->CRLF); 
 
        $rply = $this->get_lines(); 
        $code = substr($rply,0,3); 
 
        if($this->do_debug >= 2) { 
            echo "SMTP -> FROM SERVER: " . $this->CRLF . $rply; 
        } 
 
        if($code != 250) { 
            $this->error = 
                array("error" => $hello . " not accepted from server", 
                      "smtp_code" => $code, 
                      "smtp_msg" => substr($rply,4)); 
            if($this->do_debug >= 1) { 
                echo "SMTP -> ERROR: " . $this->error["error"] . 
                         ": " . $rply . $this->CRLF; 
            } 
            return false; 
        } 
 
        $this->helo_rply = $rply; 
         
        return true; 
    } 
 
    /** 
     * Gets help information on the keyword specified. If the keyword 
     * is not specified then returns generic help, ussually contianing 
     * A list of keywords that help is available on. This function 
     * returns the results back to the user. It is up to the user to 
     * handle the returned data. If an error occurs then false is 
     * returned with $this->error set appropiately. 
     * 
     * Implements rfc 821: HELP [   ]  
     * 
     * SMTP CODE SUCCESS: 211,214 
     * SMTP CODE ERROR  : 500,501,502,504,421 
     * @access public 
     * @return string 
     */ 
    function Help($keyword="") { 
        $this->error = null; # to avoid confusion 
 
        if(!$this->connected()) { 
            $this->error = array( 
                    "error" => "Called Help() without being connected"); 
            return false; 
        } 
 
        $extra = ""; 
        if(!empty($keyword)) { 
            $extra = " " . $keyword; 
        } 
 
        fputs($this->smtp_conn,"HELP" . $extra . $this->CRLF); 
 
        $rply = $this->get_lines(); 
        $code = substr($rply,0,3); 
 
        if($this->do_debug >= 2) { 
            echo "SMTP -> FROM SERVER:" . $this->CRLF . $rply; 
        } 
 
        if($code != 211 && $code != 214) { 
            $this->error = 
                array("error" => "HELP not accepted from server", 
                      "smtp_code" => $code, 
                      "smtp_msg" => substr($rply,4)); 
            if($this->do_debug >= 1) { 
                echo "SMTP -> ERROR: " . $this->error["error"] . 
                         ": " . $rply . $this->CRLF; 
            } 
            return false; 
        } 
 
        return $rply; 
    } 
 
    /** 
     * Starts a mail transaction from the email address specified in 
     * $from. Returns true if successful or false otherwise. If True 
     * the mail transaction is started and then one or more Recipient 
     * commands may be called followed by a Data command. 
     * 
     * Implements rfc 821: MAIL  FROM:  
     * 
     * SMTP CODE SUCCESS: 250 
     * SMTP CODE SUCCESS: 552,451,452 
     * SMTP CODE SUCCESS: 500,501,421 
     * @access public 
     * @return bool 
     */ 
    function Mail($from) { 
        $this->error = null; # so no confusion is caused 
 
        if(!$this->connected()) { 
            $this->error = array( 
                    "error" => "Called Mail() without being connected"); 
            return false; 
        } 
 
        fputs($this->smtp_conn,"MAIL FROM:<" . $from . ">" . $this->CRLF); 
 
        $rply = $this->get_lines(); 
        $code = substr($rply,0,3); 
 
        if($this->do_debug >= 2) { 
            echo "SMTP -> FROM SERVER:" . $this->CRLF . $rply; 
        } 
 
        if($code != 250) { 
            $this->error = 
                array("error" => "MAIL not accepted from server", 
                      "smtp_code" => $code, 
                      "smtp_msg" => substr($rply,4)); 
            if($this->do_debug >= 1) { 
                echo "SMTP -> ERROR: " . $this->error["error"] . 
                         ": " . $rply . $this->CRLF; 
            } 
            return false; 
        } 
        return true; 
    } 
 
    /** 
     * Sends the command NOOP to the SMTP server. 
     * 
     * Implements from rfc 821: NOOP  
     * 
     * SMTP CODE SUCCESS: 250 
     * SMTP CODE ERROR  : 500, 421 
     * @access public 
     * @return bool 
     */ 
    function Noop() { 
        $this->error = null; # so no confusion is caused 
 
        if(!$this->connected()) { 
            $this->error = array( 
                    "error" => "Called Noop() without being connected"); 
            return false; 
        } 
 
        fputs($this->smtp_conn,"NOOP" . $this->CRLF); 
 
        $rply = $this->get_lines(); 
        $code = substr($rply,0,3); 
 
        if($this->do_debug >= 2) { 
            echo "SMTP -> FROM SERVER:" . $this->CRLF . $rply; 
        } 
 
        if($code != 250) { 
            $this->error = 
                array("error" => "NOOP not accepted from server", 
                      "smtp_code" => $code, 
                      "smtp_msg" => substr($rply,4)); 
            if($this->do_debug >= 1) { 
                echo "SMTP -> ERROR: " . $this->error["error"] . 
                         ": " . $rply . $this->CRLF; 
            } 
            return false; 
        } 
        return true; 
    } 
 
    /** 
     * Sends the quit command to the server and then closes the socket 
     * if there is no error or the $close_on_error argument is true. 
     * 
     * Implements from rfc 821: QUIT  
     * 
     * SMTP CODE SUCCESS: 221 
     * SMTP CODE ERROR  : 500 
     * @access public 
     * @return bool 
     */ 
    function Quit($close_on_error=true) { 
        $this->error = null; # so there is no confusion 
 
        if(!$this->connected()) { 
            $this->error = array( 
                    "error" => "Called Quit() without being connected"); 
            return false; 
        } 
 
        # send the quit command to the server 
        fputs($this->smtp_conn,"quit" . $this->CRLF); 
 
        # get any good-bye messages 
        $byemsg = $this->get_lines(); 
 
        if($this->do_debug >= 2) { 
            echo "SMTP -> FROM SERVER:" . $this->CRLF . $byemsg; 
        } 
 
        $rval = true; 
        $e = null; 
 
        $code = substr($byemsg,0,3); 
        if($code != 221) { 
            # use e as a tmp var cause Close will overwrite $this->error 
            $e = array("error" => "SMTP server rejected quit command", 
                       "smtp_code" => $code, 
                       "smtp_rply" => substr($byemsg,4)); 
            $rval = false; 
            if($this->do_debug >= 1) { 
                echo "SMTP -> ERROR: " . $e["error"] . ": " . 
                         $byemsg . $this->CRLF; 
            } 
        } 
 
        if(empty($e) || $close_on_error) { 
            $this->Close(); 
        } 
 
        return $rval; 
    } 
 
    /** 
     * Sends the command RCPT to the SMTP server with the TO: argument of $to. 
     * Returns true if the recipient was accepted false if it was rejected. 
     * 
     * Implements from rfc 821: RCPT  TO:  
     * 
     * SMTP CODE SUCCESS: 250,251 
     * SMTP CODE FAILURE: 550,551,552,553,450,451,452 
     * SMTP CODE ERROR  : 500,501,503,421 
     * @access public 
     * @return bool 
     */ 
    function Recipient($to) { 
        $this->error = null; # so no confusion is caused 
 
        if(!$this->connected()) { 
            $this->error = array( 
                    "error" => "Called Recipient() without being connected"); 
            return false; 
        } 
 
        fputs($this->smtp_conn,"RCPT TO:<" . $to . ">" . $this->CRLF); 
 
        $rply = $this->get_lines(); 
        $code = substr($rply,0,3); 
 
        if($this->do_debug >= 2) { 
            echo "SMTP -> FROM SERVER:" . $this->CRLF . $rply; 
        } 
 
        if($code != 250 && $code != 251) { 
            $this->error = 
                array("error" => "RCPT not accepted from server", 
                      "smtp_code" => $code, 
                      "smtp_msg" => substr($rply,4)); 
            if($this->do_debug >= 1) { 
                echo "SMTP -> ERROR: " . $this->error["error"] . 
                         ": " . $rply . $this->CRLF; 
            } 
            return false; 
        } 
        return true; 
    } 
 
    /** 
     * Sends the RSET command to abort and transaction that is 
     * currently in progress. Returns true if successful false 
     * otherwise. 
     * 
     * Implements rfc 821: RSET  
     * 
     * SMTP CODE SUCCESS: 250 
     * SMTP CODE ERROR  : 500,501,504,421 
     * @access public 
     * @return bool 
     */ 
    function Reset() { 
        $this->error = null; # so no confusion is caused 
 
        if(!$this->connected()) { 
            $this->error = array( 
                    "error" => "Called Reset() without being connected"); 
            return false; 
        } 
 
        fputs($this->smtp_conn,"RSET" . $this->CRLF); 
 
        $rply = $this->get_lines(); 
        $code = substr($rply,0,3); 
 
        if($this->do_debug >= 2) { 
            echo "SMTP -> FROM SERVER:" . $this->CRLF . $rply; 
        } 
 
        if($code != 250) { 
            $this->error = 
                array("error" => "RSET failed", 
                      "smtp_code" => $code, 
                      "smtp_msg" => substr($rply,4)); 
            if($this->do_debug >= 1) { 
                echo "SMTP -> ERROR: " . $this->error["error"] . 
                         ": " . $rply . $this->CRLF; 
            } 
            return false; 
        } 
 
        return true; 
    } 
 
    /** 
     * Starts a mail transaction from the email address specified in 
     * $from. Returns true if successful or false otherwise. If True 
     * the mail transaction is started and then one or more Recipient 
     * commands may be called followed by a Data command. This command 
     * will send the message to the users terminal if they are logged 
     * in. 
     * 
     * Implements rfc 821: SEND  FROM:  
     * 
     * SMTP CODE SUCCESS: 250 
     * SMTP CODE SUCCESS: 552,451,452 
     * SMTP CODE SUCCESS: 500,501,502,421 
     * @access public 
     * @return bool 
     */ 
    function Send($from) { 
        $this->error = null; # so no confusion is caused 
 
        if(!$this->connected()) { 
            $this->error = array( 
                    "error" => "Called Send() without being connected"); 
            return false; 
        } 
 
        fputs($this->smtp_conn,"SEND FROM:" . $from . $this->CRLF); 
 
        $rply = $this->get_lines(); 
        $code = substr($rply,0,3); 
 
        if($this->do_debug >= 2) { 
            echo "SMTP -> FROM SERVER:" . $this->CRLF . $rply; 
        } 
 
        if($code != 250) { 
            $this->error = 
                array("error" => "SEND not accepted from server", 
                      "smtp_code" => $code, 
                      "smtp_msg" => substr($rply,4)); 
            if($this->do_debug >= 1) { 
                echo "SMTP -> ERROR: " . $this->error["error"] . 
                         ": " . $rply . $this->CRLF; 
            } 
            return false; 
        } 
        return true; 
    } 
 
    /** 
     * Starts a mail transaction from the email address specified in 
     * $from. Returns true if successful or false otherwise. If True 
     * the mail transaction is started and then one or more Recipient 
     * commands may be called followed by a Data command. This command 
     * will send the message to the users terminal if they are logged 
     * in and send them an email. 
     * 
     * Implements rfc 821: SAML  FROM:  
     * 
     * SMTP CODE SUCCESS: 250 
     * SMTP CODE SUCCESS: 552,451,452 
     * SMTP CODE SUCCESS: 500,501,502,421 
     * @access public 
     * @return bool 
     */ 
    function SendAndMail($from) { 
        $this->error = null; # so no confusion is caused 
 
        if(!$this->connected()) { 
            $this->error = array( 
                "error" => "Called SendAndMail() without being connected"); 
            return false; 
        } 
 
        fputs($this->smtp_conn,"SAML FROM:" . $from . $this->CRLF); 
 
        $rply = $this->get_lines(); 
        $code = substr($rply,0,3); 
 
        if($this->do_debug >= 2) { 
            echo "SMTP -> FROM SERVER:" . $this->CRLF . $rply; 
        } 
 
        if($code != 250) { 
            $this->error = 
                array("error" => "SAML not accepted from server", 
                      "smtp_code" => $code, 
                      "smtp_msg" => substr($rply,4)); 
            if($this->do_debug >= 1) { 
                echo "SMTP -> ERROR: " . $this->error["error"] . 
                         ": " . $rply . $this->CRLF; 
            } 
            return false; 
        } 
        return true; 
    } 
 
    /** 
     * Starts a mail transaction from the email address specified in 
     * $from. Returns true if successful or false otherwise. If True 
     * the mail transaction is started and then one or more Recipient 
     * commands may be called followed by a Data command. This command 
     * will send the message to the users terminal if they are logged 
     * in or mail it to them if they are not. 
     * 
     * Implements rfc 821: SOML  FROM:  
     * 
     * SMTP CODE SUCCESS: 250 
     * SMTP CODE SUCCESS: 552,451,452 
     * SMTP CODE SUCCESS: 500,501,502,421 
     * @access public 
     * @return bool 
     */ 
    function SendOrMail($from) { 
        $this->error = null; # so no confusion is caused 
 
        if(!$this->connected()) { 
            $this->error = array( 
                "error" => "Called SendOrMail() without being connected"); 
            return false; 
        } 
 
        fputs($this->smtp_conn,"SOML FROM:" . $from . $this->CRLF); 
 
        $rply = $this->get_lines(); 
        $code = substr($rply,0,3); 
 
        if($this->do_debug >= 2) { 
            echo "SMTP -> FROM SERVER:" . $this->CRLF . $rply; 
        } 
 
        if($code != 250) { 
            $this->error = 
                array("error" => "SOML not accepted from server", 
                      "smtp_code" => $code, 
                      "smtp_msg" => substr($rply,4)); 
            if($this->do_debug >= 1) { 
                echo "SMTP -> ERROR: " . $this->error["error"] . 
                         ": " . $rply . $this->CRLF; 
            } 
            return false; 
        } 
        return true; 
    } 
 
    /** 
     * This is an optional command for SMTP that this class does not 
     * support. This method is here to make the RFC821 Definition 
     * complete for this class and __may__ be implimented in the future 
     * 
     * Implements from rfc 821: TURN  
     * 
     * SMTP CODE SUCCESS: 250 
     * SMTP CODE FAILURE: 502 
     * SMTP CODE ERROR  : 500, 503 
     * @access public 
     * @return bool 
     */ 
    function Turn() { 
        $this->error = array("error" => "This method, TURN, of the SMTP ". 
                                        "is not implemented"); 
        if($this->do_debug >= 1) { 
            echo "SMTP -> NOTICE: " . $this->error["error"] . $this->CRLF; 
        } 
        return false; 
    } 
 
    /** 
     * Verifies that the name is recognized by the server. 
     * Returns false if the name could not be verified otherwise 
     * the response from the server is returned. 
     * 
     * Implements rfc 821: VRFY    
     * 
     * SMTP CODE SUCCESS: 250,251 
     * SMTP CODE FAILURE: 550,551,553 
     * SMTP CODE ERROR  : 500,501,502,421 
     * @access public 
     * @return int 
     */ 
    function Verify($name) { 
        $this->error = null; # so no confusion is caused 
 
        if(!$this->connected()) { 
            $this->error = array( 
                    "error" => "Called Verify() without being connected"); 
            return false; 
        } 
 
        fputs($this->smtp_conn,"VRFY " . $name . $this->CRLF); 
 
        $rply = $this->get_lines(); 
        $code = substr($rply,0,3); 
 
        if($this->do_debug >= 2) { 
            echo "SMTP -> FROM SERVER:" . $this->CRLF . $rply; 
        } 
 
        if($code != 250 && $code != 251) { 
            $this->error = 
                array("error" => "VRFY failed on name '$name'", 
                      "smtp_code" => $code, 
                      "smtp_msg" => substr($rply,4)); 
            if($this->do_debug >= 1) { 
                echo "SMTP -> ERROR: " . $this->error["error"] . 
                         ": " . $rply . $this->CRLF; 
            } 
            return false; 
        } 
        return $rply; 
    } 
 
    /******************************************************************* 
     *                       INTERNAL FUNCTIONS                       * 
     ******************************************************************/ 
 
    /** 
     * Read in as many lines as possible 
     * either before eof or socket timeout occurs on the operation. 
     * With SMTP we can tell if we have more lines to read if the 
     * 4th character is '-' symbol. If it is a space then we don't 
     * need to read anything else. 
     * @access private 
     * @return string 
     */ 
    function get_lines() { 
        $data = ""; 
        while($str = fgets($this->smtp_conn,515)) { 
            if($this->do_debug >= 4) { 
                echo "SMTP -> get_lines(): \$data was \"$data\"" . 
                         $this->CRLF; 
                echo "SMTP -> get_lines(): \$str is \"$str\"" . 
                         $this->CRLF; 
            } 
            $data .= $str; 
            if($this->do_debug >= 4) { 
                echo "SMTP -> get_lines(): \$data is \"$data\"" . $this->CRLF; 
            } 
            # if the 4th character is a space then we are done reading 
            # so just break the loop 
            if(substr($str,3,1) == " ") { break; } 
        } 
        return $data; 
    } 
 
} 
?>