Exchange Relay from the DMZ
Posted on 2012-09-18
Exchange to MobileIron in DMZ
Asked by: Tencha
There is a server in the dmz "MobileIron" and we are trying to set up a connection where "mobile iron" server can send e-mail by connecting to Exchange that is located internal.
At this point we have the firewall set up to allow mobile iron to send via port 25. The connection "kinda" works, because from mobile iron server we receive internal email when we test the connection from the application.
MobileIron Server- IN DMZ
Cisco ASA Firewall routing from DMZ to TMG server
TMG server to load balancer "Kemp"
From the Kemp to our primary CAS Array
Layout for Send:
Exact same thing in reverse however there are not restriction or logging.
What is the set-up need to ensure that the mobile iron server within the DMZ can contact the exchange server internally?