Forcage de l'action pour le mail de test

    <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>