Merge branch 'develop'

backend/controllers/CronController.php

@@ -266,8 +266,10 @@ class CronController extends BackendController
                             ]);
 
                             foreach ($userArray as $user) {
-                                $mail->setTo($user->email)->send();
-                                $mailOrdersSend = true;
+                                if($user->email && strlen($user->email) > 0) {
+                                    $mail->setTo($user->email)->send();
+                                    $mailOrdersSend = true;
+                                }
                             }
                         }