Organization
Chapter 1 through Chapter 3 provide background information on Postfix and email, Chapter 4 through Chapter 7 discuss general aspects of running a Postfix server, and Chapter 8 through Chapter 15 each present a specific topic that you may or may not need, depending on how you use Postfix:
- Chapter 1
Introduces Postfix and some general email concepts. Also discusses some of the design decisions that went into Postfix.
- Chapter 2
Covers required topics for understanding other concepts in the book. Anyone with a basic understanding of Unix and email can safely skip this chapter.
- Chapter 3
Explains the pieces of the modular architecture of Postfix and how Postfix handles email messages.
- Chapter 4
Covers a wide range of topics for configuring and managing a Postfix server.
- Chapter 5
Explains how the Postfix queue manager works, and presents the tools used to work with the queue.
- Chapter 6
Discusses how DNS is used for email routing. Presents considerations for configuring DNS to work with Postfix.
- Chapter 7
Covers how Postfix makes local deliveries and how it operates in conjunction with POP and IMAP servers.
- Chapter 8
Discusses using Postfix to receive email for virtual domains.
- Chapter 9
Discusses operating Postfix as a mail relay or gateway system.
- Chapter 10
Discusses setting up mailing lists in Postfix, and using Postfix with mailing-list managers. Provides examples with Majordomo and Mailman.
- Chapter 11
Discusses Postfix controls for blocking unwanted mail messages.
- Chapter 12
Covers using SASL libraries to provide SMTP authentication for clients to relay messages through your Postfix server.
- Chapter 13
Covers using the TLS patch to provide encrypted communications between clients and your Postfix server.
- Chapter 14
Discusses setting up external content filters with Postfix.
- Chapter 15
Covers using external data sources for Postfix lookup tables.
- Appendix A
Presents an alphabetical listing of Postfix configuration parameters.
- Appendix B
Presents a list, with brief explanations, of the command-line utilities that come with Postfix.
- Appendix C
Discusses compiling and installing Postfix from source files.
- Appendix D
Presents a list of frequently asked questions about Postfix.
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