Removing the Spam: Email Processing and Filtering

Written for network and system administrators, this concise, practical
guide offers step-by-step instructions for installing and configuring an
effective email system for your organization. The specific book focus is
on the growing problem of spam--unwanted electronic junk mail. This
book shows how to utilize mail-filtering tools and techniques to keep your
system and users as spam-free as possible.

Centered around real-world problems and issues, Removing the Spam
will save you hours of frustration as you get your email system up and
running. You will find in-depth coverage of major email systems and
subsystems--sendmail, Procmail, Majordomo, and SmartList--and
essential information about the following:

How to stop spam at the mail server and user levels
The most simple and effective way of generating the sendmail configuration file
Maintaining your sendmail configuration
Building and managing simple sendmail aliases and filters
Virtual domains
Filtering and sorting mail with Procmail
Procmail recipe files
Creating and administrating automated and manual mailing lists with Majordomo and SmartList
How to spot and combat mailing list abuse by spammers and list terrorists

The book's numerous practical examples (compatible with Solaris and
FreeBSD) include controlling the procmailrc file, sorting mail, working
with auto-responders, and many others.

With this book you will be well equipped to install and run an efficient
email system that won't be overrun by spam.