$boundary = strtoupper(md5(uniqid(time()))); 
	$mail_header  = "From:buchhaltung@auftragshaus.de\n"; 
	$mail_header .= "MIME-Version: 1.0"; 
	$mail_header .= "\nContent-Type: multipart/aternative; boundary=$boundary"; 
	$mail_header .= "\n\nThis is a multi-part message in MIME format  --  Dies ist eine mehrteilige Nachricht im MIME-Format"; 
	$mail_header .= "\n--$boundary";
	$mail_header .= "\nContent-Type: text/plain"; 
	$mail_header .= "\nContent-Transfer-Encoding: 8bit"; [/quote]	$mail_header .= "\n\n$mailtext"; 
	$file_content = fread(fopen($filename,"r"),filesize($filename)); 
	$file_content = chunk_split(base64_encode($file_content)); 
	$mail_header .= "\n--$boundary"; 
	$mail_header .= "\nContent-Type: application/pdf; name=\"$filename\""; 
	$mail_header .= "\nContent-Transfer-Encoding: base64"; 
	$mail_header .= "\nContent-Disposition: attachment; filename=\"$filename\""; 
	$mail_header .= "\n\n$file_content"; 
	$mail_header .= "\n--$boundary--";