E-mail firewalls: a vital defense layer
The exponential rise in spam and e-mail-borne viruses has pushed must-have network security layers beyond traditional firewalls and intrusion-detection appliances. E-mail firewalls have emerged as a complementary appliance for detecting and protecting against threats in the inbound e-mail stream.
While relatively new to the marketplace, e-mail firewalls are valuable to enterprises that want to secure their e-mail infrastructures, and for good reason. They assemble the essential security measures under one hood as opposed to having them scattered throughout the DMZ.
By Ryan Guzal at SearchSecurity.
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