Chapter 8. Busting Spam with SpamAssassin
Spam, or unsolicited commercial e-mail (UCE) as it is sometimes called, is the scourge of the Internet. Spam has increased relentlessly over the last ten years and now accounts for over half of all Internet bandwidth. One in six consumers have acted on spam e-mails, so there is a strong business case for keeping spam out of your users' inboxes. There are a variety of different spam solutions, ranging from outsourcing your spam entirely to no action at all. However, if you have your own e-mail server, you can add spam filtering very easily.
SpamAssassin is a very popular open source anti-spam tool. It won a Linux New Media Award-2006 as the "Best Linux-based Anti-spam Solution", and is considered by many ...
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