Solved Turns out that I had made the error. I had a typo in my Windows DNS Server and it had nothing to do with ISPConfig 3 at all or postfix....
I can SSH and Ping all the servers from any of the servers below. This is how they are setup. I have already setup the sites and DNS records...
Update Here is what I am finding. The problem only exists on the internal network. It routes properly outside of the network, but inside of the...
Maybe I'm doing something wrong, but I setup a test email server that I wanted to move to... (Kolab 3) and it worked very well and eventually...
Separate names with a comma.
