For enterprises that want to secure their Microsoft Exchange infrastructure, the Firewall for Microsoft Exchange Server is an application layer firewall that protects Exchange from threats that are not blocked by traditional perimeter defenses. The Firewall for Microsoft Exchange Server provides true firewall functionality specifically for Exchange, including Microsoft RPC-MAPI filtering capabilities. It is a stand-alone appliance that sets up in minutes and is simple to manage and maintain using Network Engines NEWSdesk? and NEWSupdate? administration tools.