diff --git a/modules/nixos/mailserver.nix b/modules/nixos/mailserver.nix
index c71dc03..3ae01aa 100644
--- a/modules/nixos/mailserver.nix
+++ b/modules/nixos/mailserver.nix
@@ -11,6 +11,7 @@
       };
       "admin@${config.networking.domain}" = {
         hashedPasswordFile = builtins.toString config.age.secrets.mailserver-acc-admin-pw.path;
+        aliases = ["@${config.networking.domain}"];
       };
     };
   };