{ nixpkgs ? <nixpkgs>, system ? builtins.currentSystem }:

with (import nixpkgs { inherit system; }); stdenv.mkDerivation rec {
  name = "nixos-mailserver-env";
  env = buildEnv { name = name; paths = buildInputs; };
  buildInputs = with pkgs; [
    jq clamav
  ];
}