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