public function actionIndex()
 {
     $success = false;
     $model = new EmailForm();
     if (!empty($_POST['EmailForm'])) {
         $model->setAttributes($_POST['EmailForm']);
         if ($model->validate()) {
             $success = true;
             // handle form here
         }
     }
     $this->render('index', array('model' => $model, 'success' => $success));
 }