diff --git a/.env b/.env
index 4d8c36d..52cd21a 100644
--- a/.env
+++ b/.env
@@ -29,7 +29,7 @@ SUBNET=172.100.0.0/24
 DOMAIN=sda.zone
 
 # Hostnames for this server, separated with commas
-HOSTNAMES=mail.sda.zone,pdocker5.serveur
+HOSTNAMES=pdocker5.serveur
 
 # Postmaster local part (will append the main mail domain)
 POSTMASTER=admin