When trying to add the email forwarder in cPanel we get the following error :
Fatal! Write Failure :/etc/valiases/[sub.whmmainhost.tld]. Ignore any messages of success this can only result in failure!
That means the ownership and/or permissions set on the file “/etc/valiases/DOMAIN.tld” are incorrect.
cd /etc/valiases/ chown USERNAME:mail /etc/valiases/DOMAIN.tld
OR, ssh to the server and run the following command:
/scripts/fixvaliases