interface/web/mail/form/mail_user.tform.php
@@ -263,6 +263,11 @@ 'autoresponder_start_date' => array ( 'datatype' => 'DATETIME', 'formtype' => 'DATETIME', 'validators'=> array ( 0 => array ( 'type' => 'CUSTOM', 'class' => 'validate_autoresponder', 'function' => 'start_date', 'errmsg'=> 'autoresponder_start_date_is_required'), ) ), 'autoresponder_end_date' => array ( 'datatype' => 'DATETIME',