{
  config,
  lib,
  pkgs,
  ...
}:
{
  imports = [
    ./hardware-configuration.nix
    ./authentik.nix
  ];

  networking.hostName = "mail";
  networking.extraHosts = ''
    127.0.0.1 auth.test.htw.stura-dresden.de
  '';
  networking.interfaces.ens18.ipv4.addresses = [
    {
      address = "167.235.225.23";
      prefixLength = 32;
    }
  ];

  networking.interfaces.ens18.ipv6.addresses = [
    {
      address = "2a01:4f8:c012:6bd7::1";
      prefixLength = 32;
    }
  ];
  networking.defaultGateway.address = "172.31.1.1";
  networking.nameservers = [
    "9.9.9.9"
    "1.1.1.1"
  ];

  networking.firewall.allowedTCPPorts = [
    80
    443
  ];

  system.stateVersion = "25.05";
}