I've got an Exchange server in it's own domain. I've just recently built a new domain which I'm using as my main server/domain. The problem I'm having is that the main server dns is not resolving the exchange server for the clients. They're being forced out to the ISP and back in, which ends up not working.
If I've got olddomain.com (with the email server) and newdomain.com (main dns server) how can I add an entry to newdomain.com to resolve the email server without forwarding the request out to the ISP?