NAT and Email appliance
We had the SW email security appliance installed recently and is working fine. I think I understand the basics of how this is working but I'm un-clear on one area. I see a NAT rule for incoming packets from WAN to be forwarded to the email security appliance based on a "service" group. Currently the port assigned to the email appliance, HTTPS, SMTP, and PPTP are assigned to this group. Our mail server and email security appliance are both behind the same WAN IP. I understand the appliance is forwarding email to our mail server(exchange). What I don't get is how do we access the webmail/owa successfully when it's an HTTPs request as well since all HTTPs packets will be forwarded to the SW email security appliances internal address?