BorderWares MXtreme Mail Firewall MX 200, which began shipping in March, is the least expensive appliance we reviewed, but it doesnt lack in capability when it comes to providing security against message-based attacks. This appliance is designed for a relatively small number of users—roughly 250—and mail volumes consistent with that number of users.
MXtreme Mail Firewall MX 200
This flexible e-mail infrastructure appliance combines solid security with easy manageability.
Application Modernization: What Is It and How to Get Started