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SpamAssassin

By Alan Schwartz
First Edition  July 2004 
Pages: 222
ISBN 10: 0-596-00707-8 | ISBN 13: 9780596007072
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Book description

Sys admins can field scores of complaints and spend months testing software suites that turn out to be too aggressive, too passive, or too complicated to setup only to discover that SpamAssassin (SA), the leading open source spam-fighting tool, is free, flexible, powerful, highly-regarded, and remarkably effective. The drawback? Until now, it was SpamAssassin's lack of published documentation. This clear, concise new guide provides the expertise you need to take back your inbox. "Detailed, accurate and informative--recommended for spam-filtering beginners and experts alike." --Justin Mason, SpamAssassin development team
Full Description

The annoyance factor for individual users whose email is crammed with pitches for pornography, absurd moneymaking schemes, and dubious health products is fierce. But for organizations, the cost of spam in lost productivity and burned bandwidth is astronomical. While society is grappling with a solution to the burgeoning crisis of spam proliferation, the pressure is on system administrators to find a solution to this massive problem in-house. And fast. Sys admins can field scores of complaints and spend months testing software suites that turn out to be too aggressive, too passive, or too complicated to setup only to discover that SpamAssassin (SA), the leading open source spam-fighting tool, is free, flexible, powerful, highly-regarded, and remarkably effective. The drawback? SpamAssassin's lack of published documentation. SpamAssassin by Alan Schwartz, is the only published resource devoted to SpamAssassin and how to integrate it effectively into your networks. This clear, concise guide clarifies the installation, configuration, and use of the SpamAssassin spam-checking system (versions 2.63 and 3.0) for Unix system administrators using the Postfix, Sendmail, Exim, or qmail mail servers, helping administrators make the right integration decision for their particular environments. It covers concrete advice on how to:
  • Customize SpamAssassin's rules, and even create new ones Train SpamAssassin's Bayesian classifier, a statistical engine for detecting spam, to optimize it for the sort of email that you typically receive
  • Block specific addresses, hosts, and domains using third-party blacklists like the one maintained by Spamcop.net.
  • Whitelist known good sources of email, so that messages from clients, coworkers, and friends aren't inadvertently lost.
  • Configure SpamAssassin to work with newer spam-filtering methods such as Hashcash (www.hashcash.org) and Sender Policy Framework (SPF).
Sys admins, network administrators, and ISPs pay for spam with hours of experimentation and tedious junk email management, frayed user tempers, and their sanity. SpamAssassin, together with this essential book, give you the tools you need to take back your organization's inboxes. "Detailed, accurate and informative--recommended for spam-filtering beginners and experts alike." --Justin Mason, SpamAssassin development team

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It is about what is under the hood,  June 07 2005
Rating: StarStarStarStarStar
Submitted by James Ko, CISSP-ISSAP GCIH   [Respond | View]

This is a book for anyone who wants to know what is under the hood. This books details what is behind the engine, its architecture and its learning system. While it is leaning more heavily in the mail transfer agent (MTA) side, it still offers a lot of tips to readers as to how one can use SpamAssassin to combat junk mail. The Autowhitelisting and Bayesian Filtering are a must for those who really want to know how to use the tool. This is what makes it different from other keyword based filtering. This would be a great book for those who run and maintain their own mailing server, because it has lots of details for sendmail, postfix, exim and qmail.
Although the author has a section on pop mail configuration, I would like to see more client configuration examples such as outlook express or Novell's evolution/Ximian, or kmail. This is because not everybody runs email server at home. Nonetheless, this is a great book for those who want to set up their own spam mail filters and get rid of those annoying junk mail. Additionally, the author provides a very detailed list of resources.




SpamAssassin,  May 18 2005
Rating: StarStarStarStarStar
Submitted by Echo   [Respond | View]

As in all things O'Reilly, a great book. I think that the section on custom rules could be beefed up and clarified a bit. Could also benefit from a page or two discussing regexp.



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Media reviews

"...this is a great book for those who want to set up their own spam mail filters and get rid of that annoying junk mail."
--James Ko, Amazon.com Review, June 2005

"[SpamAssassin] can be arcane. Powerful, but arcane. And, when it comes to publishing books about powerful, but arcane products, O'Reilly tends to get it right. They did as well with this one. If you need to manage or set up SpamAssassin, then SpamAssassin is your book."
--David Giwirtz, OutlookPower.com, February 2005

"...Schwartz's SpamAssassin is the item of choice for anyon who would customize its rules, create new rules, and take full advantage of SpamAssassin's advanced features..."
--Bookwatch, February 2005

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