class.phpmailer.php

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      {
        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, $lang_path = "support/") {
    if(file_exists($lang_path.'phpmailer.lang-'.$lang_type.'.php'))
    include($lang_path.'phpmailer.lang-'.$lang_type.'.php');
    else if(file_exists($lang_path.'phpmailer.lang-en.php'))
    include($lang_path.'phpmailer.lang-en.php');
    else
    {
      $this->SetError("Could not load language file");
      return false;
    }
    $this->language = $PHPMAILER_LANG;

    return true;
  }

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

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

    return $addr_str;
  }

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

    return $formatted;
  }

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

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

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

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

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

    return $message;
  }

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

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

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

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

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

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

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

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

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

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

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

    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") {