Champs From : nom-producteur@laboieapain.net

backend/controllers/UserController.php

 namespace backend\controllers;
 
 use common\models\User ;
+use common\models\Producer ;
+use backend\models\MailForm ;
 
 /**
  * UserController implements the CRUD actions for User model.
         if($idPointSale) {
             $pointSale = PointSale::findOne(['id' => $idPointSale]) ;
         }
+        
+        $mailForm = new MailForm() ;
+        if ($mailForm->load(Yii::$app->request->post()) && $mailForm->validate()) {
+            $resultSendEmail = $mailForm->sendEmail($users) ;
+            if($resultSendEmail) {
+                Yii::$app->getSession()->setFlash('success', 'Votre email a bien été envoyé.');
+            }
+            else {
+                Yii::$app->getSession()->setFlash('error', 'Un problème est survenu lors de l\'envoi de votre email.');
+            }
+            
+            return $this->redirect(['mail','idPointSale' => $idPointSale]);
+        }
 
         return $this->render('emails', [
             'usersArray' => $usersArray,
             'pointsSaleArray' => $pointsSaleArray,
-            'pointSale' => $pointSale
+            'pointSale' => $pointSale,
+            'mailForm' => $mailForm,
         ]);
     }
 

backend/models/MailForm.php

         foreach($usersArray as $user) {
             $body['Messages'][] = [
                 'From' => [
-                    'Email' => "contact@laboiteapain.net",
+                    'Email' => $producer->slug.'@laboiteapain.net',
                     'Name' => $producer->name
                 ],
                 'To' => [

backend/views/user/index.php

         </li>
     </ul>
 
-    <?= Html::a('<span class="glyphicon glyphicon-envelope"></span> Liste des emails', ['mail', 'idPointSale' => $idPointSaleActive], ['class' => 'btn btn-default btn-liste-emails']) ?>
+    <?= Html::a('<span class="glyphicon glyphicon-envelope"></span> Envoyer un email', ['mail', 'idPointSale' => $idPointSaleActive], ['class' => 'btn btn-default btn-liste-emails']) ?>
     
     <?= GridView::widget([
         'dataProvider' => $dataProvider,