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[6 Jun 2008 | One Comment | 1,121 supporters]

What is a Spam Firewall?
A spam firewall is a hardware device that sits between your internet firewall and LAN. It is called a “firewall” because it provides data filtering of email packets, and blocks the packets that meet the criteria of “spam”. Spam firewalls can also provide anti-virus protection, anti-spyware, anti-spoofing and anti-phishing services, depending on the model you choose. A spam firewall is not designed to protect your network against intruders such as hackers – you will need a regular internet firewall for that.
How Does a Spam Firewall Appliance …