Chapter 8. HOSTING AN EMAIL SERVER

Until the advent of the World Wide Web, email was the Internet's killer application. The ability to exchange messages with friends and colleagues almost instantly, regardless of physical distance, was a huge boon for students, researchers, and office workers.

Unfortunately, with the rise of spam, email has become something we love and hate. One of the sources of spam continues to be improperly configured email servers around the world being used to send millions of spam messages every hour.

In this chapter, we'll learn how to configure Sendmail, the most common email server on the Internet today. We'll also look at Postfix, an outstanding replacement for Sendmail, designed for speed and security.