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SpamAssassin

Alan Schwartz

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Paperback

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English
O'Reilly Media
03 August 2004
"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"

By:  
Imprint:   O'Reilly Media
Country of Publication:   United States
Dimensions:   Height: 233mm,  Width: 178mm,  Spine: 12mm
Weight:   365g
ISBN:   9780596007072
ISBN 10:   0596007078
Pages:   224
Publication Date:  
Audience:   General/trade ,  College/higher education ,  Professional and scholarly ,  ELT Advanced ,  Primary
Format:   Paperback
Publisher's Status:   Active
Preface 1. Introducing SpamAssassin How SpamAssassin Works; Organization of SpamAssassin Mailers and SpamAssassin The Politics of Scanning 2. SpamAssassin Basics Prerequisites; Building SpamAssassin Invoking SpamAssassin with procmail; Using spamc/spamd Invoking SpamAssassin in a Perl Script; SpamAssassin and the End User 3. SpamAssassin Rules The Anatomy of a Test Modifying the Score of a Test Writing Your Own Tests The Built-in Tests Whitelists and Blacklists; 4. SpamAssassin as a Learning System Autowhitelisting; Bayesian Filtering 5. Integrating SpamAssassin with sendmail; Spam-Checking at Delivery Spam-Checking During SMTP; Building a Spam-Checking Gateway 6. Integrating SpamAssassin with Postfix Postfix Architecture Spam-Checking During Local Delivery Spam-Checking All Incoming Mail Building a Spam-Checking Gateway 7. Integrating SpamAssassin with qmail; qmail Architecture Spam-Checking During Local Delivery; Spam-Checking All Incoming Mail Building a Spam-Checking Gateway; 8. Integrating SpamAssassin with Exim Spam-Checking via procmail; Spam-Checking All Incoming Mail Using Routers and Transports; Using exiscan Using sa-exim Building a Spam-Checking Gateway; 9. Using SpamAssassin as a Proxy Using Pop3proxy Using SAproxy Pro Appendix Index

Alan Schwartz, Ph.D. is an assistant professor of clinical decision making in the Departments of Medical Education and Pediatrics at the University of Illinois at Chicago. He is also the author of Managing Mailing Lists and the coauthor of Stopping Spam (both from O'Reilly). He serves as a consultant on Unix system administration for several ISPs. In his spare time, he develops and maintains the PennMUSH MUD server and brews beer and mead with his wife, with whom he also develops and maintains their son. Turn-ons for Alan include sailing, programming in Perl, playing duplicate bridge, and drinking Anchor Porter. Turn-offs include spam and watery American lagers.

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