I Have a client that uses another server for their website all together, and uses us for email only. How would i set this up in DNS Management so that they can continue to use the other hosting just for their site?
So it would be just like using a PTR record for say ip2: 192.168.1.4 to their webhosting company then 192.168.1.5 which is ours to be the mail side with a names?