use = ["x-spamd-bar", "x-spam-level", "x-spam-status", "authentication-results", "remove-headers"];
authenticated_headers = ["authentication-results"];
routines {
  remove-headers {
    headers {
      "X-Spam" = 0;
      "X-Spamd-Bar" = 0;
      "X-Spam-Level" = 0;
      "X-Spam-Status" = 0;
      "X-Spam-Flag" = 0;
    }
  }
}