E-mail firewalls: A vital defense layer

    Date07 Mar 2005
    CategoryFirewalls
    10213
    Posted ByBenjamin D. Thomas
    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.

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