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  • Format: PDF


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 seamlesslyafter 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…mehr

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Produktbeschreibung
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 seamlesslyafter 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 configurationDNS configuration for emailWorking with POP/IMAP serversHosting multiple domains (virtual hosting)Mailing listsHandling 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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  • Produktdetails
  • Verlag: O'Reilly Media
  • Seitenzahl: 272
  • Erscheinungstermin: 18. Dezember 2003
  • Englisch
  • ISBN-13: 9780596516444
  • Artikelnr.: 52953060
Autorenporträt
Kyle D. 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 has been working with Postfix in various settings since it was released by IBM in 1998. Kyle grew up with computers in an IBM family, but originally started working in publishing and as a teacher of English as a Second Language. He is an avid supporter of public libraries serving as a trustee at his local library and on his regional library system board. He has recently started to learn the classical guitar.
Inhaltsangabe
Foreword
Preface
Audience
Organization
Conventions Used in This Book
Comments and Questions
Acknowledgments
Chapter 1: Introduction
1.1 Postfix Origins and Philosophy
1.2 Email and the Internet
1.3 The Role of Postfix
1.4 Postfix Security
1.5 Additional Information and How to Obtain Postfix
Chapter 2: Prerequisites
2.1 Unix Topics
2.2 Email Topics
Chapter 3: Postfix Architecture
3.1 Postfix Components
3.2 How Messages Enter the Postfix System
3.3 The Postfix Queue
3.4 Mail Delivery
3.5 Tracing a Message Through Postfix
Chapter 4: General Configuration and Administration
4.1 Starting Postfix the First Time
4.2 Configuration Files
4.3 Important Configuration Considerations
4.4 Administration
4.5 master.cf
4.6 Receiving Limits
4.7 Rewriting Addresses
4.8 chroot
4.9 Documentation
Chapter 5: Queue Management
5.1 How qmgr Works
5.2 Queue Tools
Chapter 6: Email and DNS
6.1 DNS Overview
6.2 Email Routing
6.3 Postfix and DNS
6.4 Common Problems
Chapter 7: Local Delivery and POP/IMAP
7.1 Postfix Delivery Transports
7.2 Message Store Formats
7.3 Local Delivery
7.4 POP and IMAP
7.5 Local Mail Transfer Protocol
Chapter 8: Hosting Multiple Domains
8.1 Shared Domains with System Accounts
8.2 Separate Domains with System Accounts
8.3 Separate Domains with Virtual Accounts
8.4 Separate Message Store
8.5 Delivery to Commands
Chapter 9: Mail Relaying
9.1 Backup MX
9.2 Transport Maps
9.3 Inbound Mail Gateway
9.4 Outbound Mail Relay
9.5 UUCP, Fax, and Other Deliveries
Chapter 10: Mailing Lists
10.1 Simple Mailing Lists
10.2 Mailing-List Managers
Chapter 11: Blocking Unsolicited Bulk Email
11.1 The Nature of Spam
11.2 The Problem of Spam
11.3 Open Relays
11.4 Spam Detection
11.5 Anti-Spam Actions
11.6 Postfix Configuration
11.7 Client-Detection Rules
11.8 Strict Syntax Parameters
11.9 Content-Checking
11.10 Customized Restriction Classes
11.11 Postfix Anti-Spam Example
Chapter 12: SASL Authentication
12.1 SASL Overview
12.2 Postfix and SASL
12.3 Configuring Postfix for SASL
12.4 Testing Your Authentication Configuration
12.5 SMTP Client Authentication
Chapter 13: Transport Layer Security
13.1 Postfix and TLS
13.2 TLS Certificates
Chapter 14: Content Filtering
14.1 Command-Based Filtering
14.2 Daemon-Based Filtering
14.3 Other Considerations
Chapter 15: External Databases
15.1 MySQL
15.2 LDAP
Appendix A: Configuration Parameters
A.1 Postfix Parameter Reference
Appendix B: Postfix Commands
Appendix C: Compiling and Installing Postfix
C.1 Obtaining Postfix
C.2 Postfix Compiling Primer
C.3 Building Postfix
C.4 Installation
C.5 Compiling Add-on Packages
C.6 Common Problems
C.7 Wrapping Things Up
Appendix D: Frequently Asked Questions
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