* Provides detailed, hands-on instructions on how to install and configure a Postfix server.
* Explains how to protect users from email threats such as viruses and spam (unsolicited commercial email messages).
* Topic is perennial because all system administrators must provide reliable email infrastructure
* Written by an experienced Postfix user, the book provides information for beginners to experienced Postfix maintainers, including performance tuning and migration from sendmail to Postfix.