mailcow/data/web/inc/presets/rspamd/preset_2.yml

headline: lang.rsettings_preset_2
content: |
  priority = 10;
  rcpt = "/postmaster@.*/";
  apply {
    symbols_enabled = ["DKIM_SIGNED", "HISTORY_SAVE", "MILTER_HEADERS", "ARC_SIGNED"];
  actions {
      greylist = null;
    }
  }