diff --git a/env/.env b/env/.env
index 0a6eb00..330d2e7 100644
--- a/env/.env
+++ b/env/.env
@@ -28,6 +28,9 @@ MASTERIDENTITY=SQL
 # SQL or CAS (todo LDAP or OPENID)
 MODE_AUTH=CAS
 
+# SERVER SMTP
+MAILER_DSN=sendmail://default
+
 # NINEAPACHE
 # Il sert de reverse proxy
 NINEAPACHE_SERVICE_NAME=nineapache