Table of Contents

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

About the Author

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.