diff --git a/roundcube.yaml b/roundcube.yaml
index 66887a7..8620fda 100755
--- a/roundcube.yaml
+++ b/roundcube.yaml
@@ -22,8 +22,8 @@ services:
       - ROUNDCUBEMAIL_DB_PASSWORD=R)UNdcUbe!
       - ROUNDCUBEMAIL_DB_NAME=roundcubemail
       - ROUNDCUBEMAIL_SKIN=elastic
-      - ROUNDCUBEMAIL_DEFAULT_HOST=hermes.netgrimoire.com
-      - ROUNDCUBEMAIL_SMTP_SERVER=hermes.netgrimoire.com
+      - ROUNDCUBEMAIL_DEFAULT_HOST=tls://hermes.netgrimoire.com
+      - ROUNDCUBEMAIL_SMTP_SERVER=tle://hermes.netgrimoire.com
     deploy:
       labels:
         - homepage.group=E-Mail