Remove MDN headers before saving in sent folder + fix wrong variale name

program/include/main.inc

@@ -381,7 +381,7 @@ function get_sequence_name($sequence)
   if (strlen($CONFIG[$config_key]))
     return $CONFIG[$config_key];
   
-  return $table;
+  return $sequence;
   }
 
 

program/steps/mail/func.inc

@@ -1435,6 +1435,8 @@ function rcmail_deliver_message(&$message, $from, $mailto)
       $sent = mail($headers_enc['To'], $headers_enc['Subject'], $msg_body, $header_str, "-f$from");
     }
   
+  if ($sent)  // remove MDN headers after sending
+    unset($headers['Return-Receipt-To'], $headers['Disposition-Notification-To']);
   
   $message->_headers = array();
   $message->headers($headers);