Julian Field - University of Southampton

MailScanner

E-mail viruses costs businesses millions of pounds every year. Spam accounts for around 60% of all e-mail traffic, wasting large quantities of network bandwidth and resources.

There are many commercial e-mail systems available for a high cost that claim to help stop spam, but they are rarely effective in real-world environments. They provide support for a very restricted set of virus scanners, usually one or two, forcing the use of particular products in what should be a separate purchasing decision.

MailScanner is a highly-respected open source e-mail security system, with more users than AOL and Hotmail combined. It is used at over 20,000 sites and processes over 500 million messages per day. It supports the use of any combination of 15 different commercial anti-virus engines for reliability and good coverage. Its anti-spam system incorporates SpamAssassin, which without doubt is the best anti-spam engine available at any price. E-mail viruses costs businesses millions of pounds every year. Spam accounts for around 40% of all e-mail traffic, wasting large quantities of network bandwidth and resources.

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