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SpamAssassin: A practical guide to integration and configuration

You're reading from  SpamAssassin: A practical guide to integration and configuration

Product type Book
Published in Sep 2004
Publisher Packt
ISBN-13 9781904811121
Pages 240 pages
Edition 1st Edition
Languages
Concepts

Table of Contents (24) Chapters

SpamAssassin
Credits
About the Author
About the Reviewers
1. Introduction
1. Introducing Spam 2. Spam and Anti-Spam Techniques 3. Open Relays 4. Protecting Email Addresses 5. Detecting Spam 6. Installing SpamAssassin 7. Configuration Files 8. Using SpamAssassin 9. Bayesian Filtering 10. Look and Feel 11. Network Tests 12. Rules 13. Improving Filtering 14. Performance 15. Housekeeping and Reporting 16. Building an Anti-Spam Gateway 17. Email Clients 18. Choosing Other Spam Tools Glossary

Integrating SpamAssassin into the MTA

The following instructions describe how to integrate SpamAssassin into a number of popular MTAs. Once SpamAssassin has been integrated into the MTA, basic MTA configuration should be tested and the user should confirm that SpamAssassin headers are being added to emails.

Sendmail

There are several methods of integrating SpamAssassin into sendmail. Sendmail has a plug-in architecture known as milter. There are several milters available for use with SpamAssassin. Here we will discuss only MIMEDefang.

Sendmail Milter Support

To use MIMEDefang, milter support must be built into sendmail. For sendmail versions 8.13 onwards, this is the default. If sendmail was supplied in a package, for example RPM, then the distributor may or may not have included this.

To test for milter support, issue the following command and examine the results:

# /usr/sbin/sendmail -bt -d0.1 </dev/null
Version 8.12.10
Compiled with: DNSMAP LOG MAP_REGEX MATCHGECOS MILTER MIME7TO8MIME8TO7NAMED_BIND...
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