public function delete(Request $request)
 {
     //locations to be deleted
     $data = [];
     //check for single delete
     if (isset($request->id)) {
         $data[] = $request->id;
     }
     //check for mass delete if no single delete
     if (empty($data)) {
         $data = $request->input('ban_email_id');
     }
     //delete
     if (!empty($data)) {
         AdBanEmail::destroy($data);
         //clear cache, set message, redirect to list
         Cache::flush();
         session()->flash('message', trans('admin_common.Banned Mail deleted'));
         return redirect(url('admin/mailban'));
     }
     //nothing for deletion set message and redirect
     session()->flash('message', trans('admin_common.Nothing for deletion'));
     return redirect(url('admin/mailban'));
 }