1rspamd_config:register_symbol({
2  name = 'EXTERNAL_RELAY_TEST',
3  score = 0.0,
4  callback = function(task)
5    local from_ip = string.format('IP=%s', task:get_from_ip() or 'NIL')
6    local hostname = string.format('HOSTNAME=%s', task:get_hostname() or 'NIL')
7    local helo = string.format('HELO=%s', task:get_helo() or 'NIL')
8    return true, from_ip, hostname, helo
9  end
10})
11