diff --git a/core/core.php b/core/core.php
index 1cdd5a7b..941cb4bd 100644
--- a/core/core.php
+++ b/core/core.php
@@ -1195,7 +1195,7 @@ class common
 	 * @param string $content Contenu
 	 * @return bool
 	 */
-	public function sendMail($to, $subject, $content, $replyTo = null, $from = '')
+	public function sendMail($to, $subject, $content, $replyTo = null, $from = 'no-reply@localhost')
 	{
 		// Layout
 		ob_start();
diff --git a/core/module/install/install.php b/core/module/install/install.php
index b0574ba1..a8c15b13 100644
--- a/core/module/install/install.php
+++ b/core/module/install/install.php
@@ -167,7 +167,7 @@ class install extends common
 					'<strong>URL du site :</strong> <a href="' . helper::baseUrl(false) . '" target="_blank">' . helper::baseUrl(false) . '</a><br>' .
 					'<strong>Identifiant du compte :</strong> ' . $this->getInput('installId') . '<br>',
 					null,
-					'localhost'
+					'no-reply@localhost'
 				);
 
 				// Nettoyage fr par défaut