{
  config,
  pkgs,
  ...
}: let
  domain = "mail.urbit.men";
in {
  services.stalwart-mail = {
    enable = true;
    settings = {
      server = {
        hostname = domain;
        run-as = {
          user = "y";
          group = "users";
        };
      };
    };
  };
}