Who should attend: System administrators who want a practical, hands-on tutorial for building Sendmail configuration files using the M4 package that comes with Sendmail version 8. This will be a detailed, problem- and solution-oriented tutorial. You should have some familiarity with Sendmail.

What you will learn: How to use Sendmail's M4-based configuration package.

The M4 configuration package that comes with version 8 Sendmail allows simple and easy configuration of Sendmail for many common situations. This tutorial details how to use this package to best effect. Extensive examples will be given.

Topics include:

- The general structure of an M4-based configuration file
- Selecting an operating system environment
- Selecting special features
- Using selected external databases
- Frustrating spammers

Eric Allman  was the original author of Sendmail. He was the chief programmer on the INGRES database management project and an early contributor to the UNIX effort at Berkeley. He is on the USENIX Board of Directors and a frequent speaker at USENIX events.

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