Separate names with a comma.
Please try following IPTABLES rules to enable PORT 53 on the server
Then save and restart IPtables service
I would suggest using VPS cloning... create a new VPS and install cPanel on it. After that remove hostname and nameservers from wwwacct.conf file...
Try to re-install Perl on the VPS. Use following steps to re-install perl
First execute following command
Once completed, you should see...
Remove all pop* files from /etc/xinetd.d/ directory and restart xinetd service.
Then restart courier service by executing...