{
  lib,
  ...
}:

{
  # Testing eval failures that result from stateVersion assertion is out of scope
  mailserver.stateVersion = 999;

  # Enable second CPU core
  virtualisation.cores = lib.mkDefault 2;

  services.rspamd = {
    # Don't make tests block on DNS requests that will never succeed
    locals."options.inc".text = ''
      dns {
        nameservers = ["127.0.0.1"];
        timeout = 0.0s;
        retransmits = 0;
      }
    '';
    # Relax `local_addrs` definition to default for tests, so mail doesn't get flagged as spam
    overrides."options.inc".enable = false;
  };
}