We have currently setup Zimbra mail server with public ip & it is easily accessible outside the network as well as inside the network. We want to implement Zimbra mail server behind the firewall or in DMZ zone. For that what would we need to do step-by-step so that zimbra mail server could be placed into DMZ or behind the firewall zone?? We dont want to install with a private ip because it is a corporate live server.
Please help us at urgent basis.