Developed with security and speed in mind, Postfix has become a popular alternative to Sendmail. The Book of™ Postfix is a complete guide to Postfix whether used by the home user, as a mailrelay or virus scanning gateway, or as a company mailserver. Practical examples show how to deal with daily challenges like protecting mail users from SPAM and viruses, managing multiple domains, and offering roaming access.

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Ralf Hildebrandt and Patrick Koetter are active and well-known figures in the Postfix community. Hildebrandt is a systems engineer for T-NetPro, a German telecommunications company, and Koetter runs his own company consulting and developing corporate communication for customers in Europe and Africa. Both have spoken about Postfix at industry conferences and contribute regularly to a number of open source mailing lists.