| How to configure Postini with a TMG server in the DMZ. | BryanJM27 | 7/2/12 1:44 PM | I have a TMG server in the DMZ , I do not have an edge server . All of the exchange 2010 servers are in the internal network. How would I connect postini to my exchange servers. do I need to create firewall / NAT rule for the internal exchange serv |