I am running a Novell SBS 6.0 Sp4 server with GWIA 6.0 Sp4. I had set up
GWIA to send out email without a relay host and found that AOL addresses
would fail. I read that I need a PTR record in my DNS. I get a little
confused when it comes to DNS. We have an internal domain name and an
external domain name. How does a PTR record get setup?

Our ISP holds the MX record for us as well as hosts the our External
domain name.

Just wondering,