1 files changed, 1 insertions, 0 deletions
diff --git a/krebs/4lib/types.nix b/krebs/4lib/types.nix
index 37d44606b..02ca2b8db 100644
--- a/krebs/4lib/types.nix
+++ b/krebs/4lib/types.nix
@@ -284,6 +284,7 @@ types // rec {
       };
       mail = mkOption {
         type = str; # TODO retiolum mail address
+        default = "${config._module.args.name}@${config.networking.hostName}.r";
       };
       name = mkOption {
         type = username;