Forcage de l'action pour le mail de test

view/unicaen-mail/mail/test.phtml

@@ -15,7 +15,7 @@ $this->headTitle($title);
     <div class="messenger alert alert-danger "> <?= $error ?></div>
 <?php endif; ?>
 
-<form action="mail/test" method="post">
+<form action="<?php echo $this->url('mail/test', [], [], true); ?>" method="post">
 <div>
     <label for="email">Destinataire : </label>
     <input type="email" name="mail-to" size="50" required>