{ pkgs, lib, config, ... }:
let inherit (builtins) listToAttrs;
    inherit (builtins.extraBuiltins) pass;
    inherit (lib) types;
    inherit (pkgs.lib) unlinesAttrs;
    inherit (config) networking;
    inherit (config.services) rspamd;
in
{
  options.services.rspamd.dkim = {
    enable = lib.mkEnableOption "rspamd DKIM material";
    domains = lib.mkOption {
      default = {};
      type = types.attrsOf (types.submodule {
        options = {
          selector = lib.mkOption {
            type = types.str;
            description = ''Current selector'';
          };
          selectors = lib.mkOption {
            default = {};
            description = ''Available selectors'';
            type = types.attrsOf (types.submodule {
              options = {
                key = lib.mkOption {
                  type = types.str;
                  description = ''Private key'';
                };
                dns = lib.mkOption {
                  type = types.lines;
                  description = ''DNS record'';
                };
              };
            });
          };
        };
      });
    };
  };

  config = lib.mkIf rspamd.dkim.enable {
  };
}