Postfix the Definitive Guide

Postfix is a Mail Transfer Agent (MTA): software that mail servers use to route email. Postfix is highly respected by experts for its secure design and tremendous reliability. And new users like it because it's so simple to configure. In fact, Postfix has been adopted as the default MTA on Mac OS X. It is also compatible with sendmail, so that existing scripts and programs continue to work seamlessly after it is installed. Postfix was written by well-known security expert Wietse Venema, who reviewed this book intensively during its entire development. Author Kyle Dent covers a wide range of Postfix tasks, from virtual hosting to controls for unsolicited commercial email. While basic configuration of Postfix is easy, every site has unique needs that call for a certain amount of study. This book, with careful background explanations and generous examples, eases readers from the basic configuration to the full power of Postfix. It discusses the Postfix interfaces to various tools that round out a fully scalable and highly secure email system. These tools include POP, IMAP, LDAP, MySQL, Simple Authentication and Security Layer (SASL), and Transport Layer Security (TLS, an upgrade of SSL). A reference section for Postfix configuration parameters and an installation guide are included. Topics include: * Basic installation and configuration * DNS configuration for email * Working with POP/IMAP servers * Hosting multiple domains (virtual hosting) * Mailing lists * Handling unsolicited email (spam blocking) * Security through SASL and TLS From compiling and installing Postfix to troubleshooting, Postfix: The Definitive Guide offers system administrators and anyone who deals with Postfix an all-in-one, comprehensive tutorial and reference to this MTA.

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Bli först med att recensera och betygsätt boken Postfix the Definitive Guide - du kan vinna 200 kr varje månad i tävlingen "Månadens recension".

"Excellent book." Information Security Bulletin, September 2004

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Kyle Dent works as an independent consultant and software developer in the New York metropolitan area. He has designed and implemented various security, network, and web-based applications for technology and financial firms. He also has been working with Postfix in various settings since it was released by IBM in 1998.

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Foreword; Preface; 1. Introduction Postfix Origins and Philosophy Email and the Internet; The Role of Postfix; Postfix Security Additional Information and How to Obtain Postfix; 2. Prerequisites Unix Topics; Email Topics; 3. Postfix Architecture; Postfix Components; How Messages Enter the Postfix System; The Postfix Queue; Mail Delivery; Tracing a Message Through Postfix 4. General Configuration and Administration; Starting Postfix the First Time; Configuration Files; Important Configuration Considerations; Administration; master.cf; Receiving Limits Rewriting Addresses; chroot; Documentation; 5. Queue Management How qmgr Works; Queue Tools; 6. Email and DNS; DNS Overview Email Routing; Postfix and DNS; Common Problems; 7. Local Delivery and POP/IMAP Postfix Delivery Transports; Message Store Formats; Local Delivery; POP and IMAP; Local Mail Transfer Protocol; 8. Hosting Multiple Domains; Shared Domains with System Accounts; Separate Domains with System Accounts; Separate Domains with Virtual Accounts; Separate Message Store Delivery to Commands; 9. Mail Relaying; Backup MX; Transport Maps; Inbound Mail Gateway; Outbound Mail Relay; UUCP, Fax, and Other Deliveries; 10. Mailing Lists; Simple Mailing Lists Mailing-List Managers; 11. Blocking Unsolicited Bulk Email The Nature of Spam; The Problem of Spam; Open Relays Spam Detection; Anti-Spam Actions; Postfix Configuration Client-Detection Rules; Strict Syntax Parameters; Content-Checking; Customized Restriction Classes; Postfix Anti-Spam Example; 12. SASL Authentication; SASL Overview; Postfix and SASL; Configuring Postfix for SASL; Testing Your Authentication Configuration; SMTP Client Authentication; 13. Transport Layer Security; Postfix and TLS; TLS Certificates; 14. Content Filtering; Command-Based Filtering;; Daemon-Based Filtering Other Considerations; 15. External Databases; MySQL LDAP; A. Configuration Parameters; B. Postfix Commands C. Compiling and Installing Postfix; D. Frequently Asked Questions Index

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