log_arf

Optional boolean. Defaults to false. When set to true, if the incoming mail is an ARF feedback report formatted according to RFC 5965, and is addressed to the requested domain, the message will be accepted and logged to the delivery logs.

kumo.on('get_listener_domain', function(domain, listener, conn_meta)
  if domain == 'fbl.example.com' then
    return kumo.make_listener_domain {
      log_arf = true,
    }
  end
end)