The Book of Postfix explains in detail how to configure Postfix, the famous message transfer agent by Wietse Venema, for various uses. Practical and comprehensive, the book shows the reader how to deal with everyday challenges like protecting mail users from spam and viruses, providing multiple domains, and roaming access. The Book of Postfix is written by [Ralf Hildebrandt][1] and [Patrick Koetter][2] - active members of the Postfix Mailing list, contributors of HOWTOS and long time postmasters themselves. Read the [Table of Contents][3] to get an idea what the book will deal with in detail. [1]: http://www.postfix-book.com/ralf_hildebrandt.html [2]: http://www.postfix-book.com/patrick_koetter.html [3]: http://www.postfix-book.com/toc.html