{ zentralwerk, ... }:
{
  networking.hostName = "mail";
  networking.useNetworkd = true;
  networking.interfaces.eth0.ipv4.addresses = [{
    address = "172.20.73.58";
    prefixLength = zentralwerk.lib.config.site.net.serv.subnet4Len;
  }];
  networking.defaultGateway = "172.20.73.1";
}