hier mal ein mailer habs irgendwo gefunden:

Code:
<html>
<head>
<title> Sending Email's :: Private PHP Mailer By t0pP8uZz </title>
</head>
<body>

<?php
/*

		Private Mailer
		 by t0pP8uZz
       DO NOT LEAK!!!     PRIVATE!!!
		Snippets Used
*/
 // Email list


                if ( ini_get ( 'SAFE_MODE' ) )
            {
                set_time_limit (0);
            };

        $file['email'] = file ( 'emails.txt' );
        
                foreach ( $file['email'] as $eline => $email )
            {

			$from    = $_POST['from'];
			$subject = $_POST['subject'];
			$message = $_POST['message'];

			$fileatt      = $_FILES['fileatt']['tmp_name'];
			$fileatt_type = $_FILES['fileatt']['type'];
			$fileatt_name = $_FILES['fileatt']['name'];

			$headers = "From: $from";

			if (is_uploaded_file($fileatt)) {
			$file = fopen($fileatt,'rb');
			$data = fread($file,filesize($fileatt));
			fclose($file);


			$semi_rand = md5(time());
			$mime_boundary = "==Multipart_Boundary_x{$semi_rand}x";
  

			$headers .= "\nMIME-Version: 1.0\n" .
              "Content-Type: multipart/mixed;\n" .
              " boundary=\"{$mime_boundary}\"";

 
			$message = "This is a multi-part message in MIME format.\n\n" .
             "--{$mime_boundary}\n" .
             "Content-Type: text/plain; charset=\"iso-8859-1\"\n" .
             "Content-Transfer-Encoding: 7bit\n\n" .
             $message . "\n\n";


			$data = chunk_split(base64_encode($data));


			$message .= "--{$mime_boundary}\n" .
              "Content-Type: {$fileatt_type};\n" .
              " name=\"{$fileatt_name}\"\n" .
              //"Content-Disposition: attachment;\n" .
              //" filename=\"{$fileatt_name}\"\n" .
              "Content-Transfer-Encoding: base64\n\n" .
              $data . "\n\n" .
              "--{$mime_boundary}--\n";
}

$mail = @mail($email, $subject, $message, $headers);
                if ( !$mail )
                    {
                        print $eline . ') ' . $email . ' || ' . date ( 'h:i a' ) . ' || ' . $function['status']['failed'];
                    }
                else
                    {
                        print $eline . ') ' . $email . ' || ' . date ( 'h:i a' ) . ' || ' . $function['status']['complete'];
                    };
                ob_flush();
                flush ();
}
?>
</body>
</html>