diff --git a/sites/all/modules/gui/materiobasemod/materio_user.module b/sites/all/modules/gui/materiobasemod/materio_user.module
index f606142a..d70333f0 100755
--- a/sites/all/modules/gui/materiobasemod/materio_user.module
+++ b/sites/all/modules/gui/materiobasemod/materio_user.module
@@ -663,16 +663,16 @@ function materio_user_mandrill_mailsend_result($result) {
     // remove email from pool
     // simplenews_delete_spool(['mail'=>$result['email']]);
 
-    // if ( in_array($result['status'], array('invalid')) ) {
-    //   // unsubscribe user if mail does not exists
+    if ( in_array($result['status'], array('invalid')) ) {
+      // unsubscribe user if mail does not exists
     //   $subscriber = simplenews_subscriber_load_by_mail($result['email']);
     //   if ($subscriber) {
     //     simplenews_subscriber_delete($subscriber);
     //   }
-    //   // disable user
-    //   $user = user_load_by_mail($result['email']);
-    //   $user->status = 0;
-    //   user_save($user->uid);
-    // }
+      // disable user
+      $user = user_load_by_mail($result['email']);
+      $user->status = 0;
+      user_save($user->uid);
+    }
   }
 }