diff --git a/mastus/mail.nix b/mastus/mail.nix
index ef1c8a2..b8ebd0b 100644
--- a/mastus/mail.nix
+++ b/mastus/mail.nix
@@ -19,10 +19,14 @@
       ge: gebner
       cutintro: gebner
     '';
+    hostname = "mastus.gebner.org";
     sslCACert = "/etc/sslcerts/startssl.cert";
     sslCert = "/etc/sslcerts/mail.cert";
     sslKey = "/etc/sslcerts/mail.key";
 
+    destination = [ "gebner.org" "gabrielebner.at" "2b7e.org"
+      "mastus.gebner.org" "mail.gebner.org" "localhost" ];
+
     extraConfig = ''
       mailbox_command = ${pkgs.procmail}/bin/procmail
     '';