Postfix: The Definitive Guide (Paperback)
Kyle D. Dent
- 出版商: O'Reilly
- 出版日期: 2004-01-13
- 定價: $1,320
- 售價: 8.0 折 $1,056
- 語言: 英文
- 頁數: 280
- 裝訂: Paperback
- ISBN: 0596002122
- ISBN-13: 9780596002121
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商品描述
Summary
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.
Table of Contents
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