PHP - Login sistem z mail aktivacijo

 $headers = "From: webmaster@domena.com\r\n"; 
 //specify MIME version 1.0 
 $headers .= "MIME-Version: 1.0\r\n"; 
 //unique boundary 
 $boundary = uniqid("domena.com"); 
 //tell e-mail client this e-mail contains//alternate versions 
 $headers .= "Content-Type: multipart/alternative" . "; boundary = $boundary\r\n\r\n"; 
 //message to people with clients who don't understand MIME 
 $headers .= "To je MIME sporočilo\r\n\r\n"; 
 //plain text version of message 
 $headers .= "--$boundary\r\n" . 
 "Content-Type: text/plain; charset=ISO-8859-1\r\n" . 
 "Content-Transfer-Encoding: base64\r\n\r\n"; 
 $headers .= chunk_split(base64_encode($msgPLAIN)); 
 //HTML 
 $headers .= "--$boundary\r\n" . 
 "Content-Type: text/html; charset=ISO-8859-1\r\n" . 
 "Content-Transfer-Encoding: base64\r\n\r\n"; 
 $headers .= chunk_split(base64_encode($msgHTML)); 
 mail($mejl,$subject$msg,$headers);