Code Examples -> Class for sending mail with MIME attachments in multipart format using external sendmail, mimencode and zip

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PHP Code Examples

Title :	Class for sending mail with MIME attachments in multipart format using external sendmail, mimencode and zip
Categories :	Email, Network, PHP, PHP Classes	Anthony Spataro
Date :	Dec 17th 1998
Grade :	3 of 5 (graded 9 times)
Viewed :	34593
File :	No file for this code example.
Images :	No Images for this code example.

Search :	More code by Anthony Spataro
Action :	Grade This Code Example
Tools :	My Examples List

Code

<?
/*
Mail: An object to encapsulate the sending of email. Allows user-specified
From: addresses, handles the encoding of attachments; conforms more or less to
MIME standards.. Uses sendmail to send the mail, mimencode to do the MIME
encoding, and zip to automatically zip attachments.

Contacting the author(s):
Brought to you by the team at Sequoia Softworks, http://www.sequoiasoft.com
Feel free to contact tony@sequoiasoft.com and tell us how you like it!
(Or to complain bitterly, report bugs, or suggest new features.)

Known shortcomings/bugs:
o guessMIMEType()only knows about a few MIME types. You can expand this as
you need.
o $mime_boundary in the Send() method should be randomly generated, but it
isn't likely to ever hurt anything in its current form

Example:
require("Mail.phtml");
$mymessage = new Mail();
$mymessage->from = "php3.script@www.somedomain.net";
$mymessage->to = "luckyuser@destination.org";
$mymessage->subject = "This is your lucky day";
$mymessage->headers["Reply-To"] = "webmaster@www.somedomain.net";
$mymessage->headers["X-Extra-Header"] = "Pointless Header v3.0";
$mymessage->body = "Doesn't it feel good to get mail?\nEspecially with files
attached!\n";
$mymessage->attachments[0] = "tarball.tar.gz";
$mymessage->attachments[1] = "images/smiling_countenance.gif";
$mymessage->attachments[2] = "/usr/share/reference/jargondict.html";
$mymessage->attachments[3] = "./core";
$mymessage->attachments[4] = "/etc/passwd"; //naughty naughty!!
$mymessage->ZipAttachments("your_files.zip"); //uncomment this to zip all
//the attachments into one big
//attachment.
$mymessage->Send();
*/
class Mail {
        var $from; //The sender
        var $to; //The recipient
        var $subject; //The subject line
        var $headers; //A hash of additional headers (headername => headervalue)
        var $zipname; //The name of the file the attachments are zipped into
         //($zipname == false if attachments are to be sent
//individually)
        var $attachments; //An array of files to attach
        var $body; //The body text of the message

        //Mail constructor: initializes vars to default values. 'Nuff said.
        function Mail() {
                $this->from = "";
                $this->to = "";
                $this->subject = "";
                $this->headers = array();
                $this->zipname = false;
                $this->attachments = array();
                $this->body = "";
        }

        //Auxiliary method, used to guess a file's MIME type
        //based on its extension. Doesn't know about too many
        //extensions right now
        function guessMIMEType($filename) {
                //GUESS MIME TYPE
                $filename = basename($filename);
                if(strrchr($filename,".") == false) {
                        return("application/octet-stream");
                }

                $ext = strrchr($filename,".");
                switch($ext) {
                        case ".gif":
                                return "image/gif";
                                break;
                        case ".gz":
                                return "application/x-gzip";
                        case ".htm":
                        case ".html":
                                return "text/html";
                                break;
                        case ".jpg":
                                return "image/jpeg";
                                break;
                        case ".tar":
                                return "application/x-tar";
                                break;
                        case ".txt":
                                return "text/plain";
                                break;
                        case ".zip":
                                return "application/zip";
                                break;
                        default:
                                return "application/octet-stream";
                                break;
                }
        }

        //Cute little convenience method. Supply it with a filename to
        //zip attachments to, or supply it with false if attachments are
        //sent individually
        function ZipAttachments($name) {
                $this->zipname = $name;
        }

        //The workhorse method, does the actually sending of the mail.
        //Doesn't check for errors so be careful!
        function Send($sendmail = "sendmail") {
                if($this->from == "")
                        $fp = popen($sendmail . " -i " . $this->to, "w");
                else
                        $fp = popen($sendmail . " -i -f\"" . $this->from . "\"
" . $this->to, "w");

                $mime_boundary = "-1747901728-1448367683-913849620=:4553";

                if($fp == false)
                        return false;

                //Write subject header
                fwrite($fp,"Subject: " . $this->subject . "\n");

                //Write user-defined headers
                reset($this->headers);
                while(list($hdrname,$hdrval) = each($this->headers)) {
                        fwrite($fp,$hdrname . ": " . $hdrval . "\n");
                }

                //If there are attachments, this needs to be a MIME message
                if(count($this->attachments) > 0) {
                        //Write MIME headers
                        fwrite($fp,"MIME-Version: 1.0\n");
                        fwrite($fp,"Content-Type: multipart/mixed; BOUNDARY=\""
. $mime_boundary . "\"\n");
                        fwrite($fp,"\n");
                        //Write dummy message body
                        fwrite($fp," This message is in MIME format. The
first part should be readable text,\n");
                        fwrite($fp," while the remaining parts are likely
unreadable without MIME-aware tools.\n");
                        fwrite($fp," Send mail to
mime@docserver.cac.washington.edu for more info.\n");
                        fwrite($fp,"\n");

                        //Write message text
                        fwrite($fp,"--" . "$mime_boundary" . "\n");
                        fwrite($fp,"Content-Type: text/plain; charset=US-
ASCII\n");
                        fwrite($fp,"\n");
                        fwrite($fp,$this->body);
                        fwrite($fp,"\n");

                        //Handle attachments
                        if($this->zipname != false) { //IF we've been told to
//zip the attachments
                                fwrite($fp,"--" . $mime_boundary . "\n");
                                fwrite($fp,"Content-Type: application/zip; name=
\"". $this->zipname . "\"\n");
                                fwrite($fp,"Content-Transfer-Encoding: base64
\n");
                         //fwrite($fp,"Content-ID: " . $content_ID . "\n");
                                fwrite($fp,"Content-Description:\n");
                                fwrite($fp,"\n");
                                $cmdline = "zip - ";
                while(list($key, $attachment_name) = each($this->attachments))
                                        $cmdline .= "$attachment_name ";
                                $cmdline .= "| mimencode -b";
                                $pp = popen($cmdline,"r");
                                while(!feof($pp)) {
                                        $data = fread($pp,4096);
                                        fwrite($fp,$data);
                                }
                                pclose($pp);
                        }
                        else { //no need to zip the attachments, attach them
//separately
                while(list($key, $attachment_name) = each($this->attachments)) {
                                fwrite($fp,"--" . $mime_boundary . "\n");
fwrite($fp,"Content-Type: " . $this->guessMIMEType($attachment_name) . ";
name=\"". basename($attachment_name) . "\"\n");
                        fwrite($fp,"Content-Transfer-Encoding: base64\n");
                                        //fwrite($fp,"Content-ID: " .
//$content_ID . "\n");
                                        fwrite($fp,"Content-Description:\n");
                                        fwrite($fp,"\n");
                         $pp = popen("mimencode -b $attachment_name","r");
                                        while(!feof($pp)) {
                                                $data = fread($pp,4096);
                                                fwrite($fp,$data);
                                        }
                                        pclose($pp);
                                }
                        }

                        fwrite($fp,"--" . $mime_boundary . "--\n");
                }
                //No need for a MIME message, so it's an RFC822 message
                else {
                        fwrite($fp,"\n");
                        fwrite($fp,$this->body);
                }


                pclose($fp);
        }
}
?>

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User Comments

	Damien Blood wrote : 484 I`ve tried your class for sending attachments. I am trying to send a simple mail with a jpg attached. However when it gets to the recipients outlook in box. The attachment does not work instead you get: This is a MIME encoded message. --b55de5923797e9d86e058274d84402440 Content-Type: text/plain Content-Transfer-Encoding: base64 VGhpcyBpcyB0aGUgYm9keSBvZiB0aGUgdGVzdCBlbWFpbA== --b55de5923797e9d86e058274d84402440 Content-Type: image/jpeg; name = "testfile.jpg" Content-Transfer-Encoding: base64 /9j/4AAQSkZJRgABAQEAyADIAAD/2wBDAAMCAgMCAgMDAwMEAwMEBQgFBQQEBQoHBwYIDAoMDAsK CwsNDhIQDQ4RDgsLEBYQERMUFRUVDA8XGBYUGBIUFRT/2wBDAQMEBAUEBQkFBQkUDQsNFBQUFBQU FBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBQUFBT/wAARCAH0Av4DASIA AhEBAxEB/8QAHwAAAQUBAQEBAQEAAAAAAAAAAAECAwQFBgcICQoL/8QAtRAAAgEDAwIEAwUFBAQA AAF9AQIDAAQRBRIhMUEGE1FhByJxFDKBkaEII0KxwRVS0fAkM2JyggkKFhcYGRolJicoKSo0NTY3 etc, etc Basically reads the whole file into the text file. Any ideas? Cheers Damien P.S. System is PHP on Linux with exim mail program.
	Michael Cannon wrote :781 The MIME message appears to missing the bottom boundary call to tell the mail reader that it`s the end of the message.