I've been reading myself into circles trying to figure out how to setup a reverse looup zone to match a subnet of something like 10.0.70.0/23 or 10.0.8.0/22. I thought it would be something like 70/23 ...
Can Exchange 2007 be setup to do a reverse dns lookup against the helo from the sending mail server without 3rd party apps?
Some results have been hidden because they may be inaccessible to you
Show inaccessible results