diff --git a/conf/config.local.php b/conf/config.local.php
index 8104044..c8efcb2 100644
--- a/conf/config.local.php
+++ b/conf/config.local.php
@@ -484,7 +484,7 @@ const SMTP_HELO_HOSTNAME = '__DOMAIN__';
  * Défaut : null
  */
 
-//const MAIL_RETURN_PATH = 'returns@__DOMAIN__';
+const MAIL_RETURN_PATH = '__APP__@__DOMAIN__';
 
 
 /**