Currentyly, we have two Exchange servers one (Dailup) using dial up connection to the internet as a gateway to get and put mail from our ISP, the second is the actully Exchange server all the users on the (Local) LAN is connected to to send and receive mail. We have decided to put the “Dialup” server to the DMZ on our Firewall(Raptor 6.02) I wounder what do I need to do?