Howto Setup root forwarder on server?
[CSF (ConfigServer Firewall)]
After you install CSF as cPanel Add-on on your virtual private or dedicated server you might get this message “check root forwarder” on running “check server security” test.
Warning: Check Root Forwarder by csf firewall [configserver firewall]
This is regarding the root account forwarder. On the server, the root account, superuser account should have a forwarder set so that you receive essential emails from your dedicated server.
You will need to create/edit a file called .forward in the root folder…
Exact path is: /root/.forward
In this file, add an email address where you want to receive emails sent by root.