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CHAPTER 2
Chapter 2:
Setting Up Postfix
The Mail Transfer Agent (MTA) is perhaps the most important part of a
mail system. It is responsible for receiving messages from the Internet
or from your own users and making sure that the messages safely arrive
at their destinations—the other mail servers or mailboxes of your users.
Postfix has been chosen as the mail transfer agent to be covered in this
book. Postfix has a large feature set, it has an excellent security
track record, it is fast, easy to configure, and under active
development.
This book assumes that you run Postfix 2.0 or later. Any feature or
behavior of Postfix that is specific to later releases will be noted.
- What is Postfix?
- Postfix Architecture: An Overview
- New Message Arrival
- Scheduling Message Deliveries
- Message Delivery
- Supporting Programmes
- Installation
and Basic Configuration
- Choosing the Postfix Version
- Installing from a Package
- Installing from Source Code
- The Postfix Configuration
- Getting Postfix Up and Running
- Domains and Hostnames
- Indirect Mail Delivery through your ISP
- Choosing Network Interfaces
- Choosing Mailbox Format for Local Deliveries
- Error Reporting
- Other Useful Configuration Parameters
- Starting Postfix and Sending the First Message
- Stopping Spam and Other Unwanted
Messages
- Postfix's Anti-Spam Methods: An Overview
- Understanding SMTP Restrictions
- Access Maps
- Examples
- Implementing New Policies
- Using DNS Blacklists
- Stopping Messages Based on Contents
- Configuring Header and Body Checks
- Examples
- Caveats
Virtual Alias Domains and Local Aliases
- Virtual Alias Domains
- Many Virtual Alias Domains Mapping to One Local
Doman
- One Virtual Alias Domains Mapping to Many Local
Domains
- Group Addresses
- Introducing MySQL Lookups
- Local Aliases
- Command Deliveries
- Common Pitfalls
- Other Address Rewriting Mechanisms
Troubleshooting Postfix Problems
- Reading and Interpreting the Log Files
- Message Queue ID
- Example: SMTP Submission, Local Delivery
- Example: Local Submission, SMTP Delivery
- Example: Connection Problems upon SMTP Delivery
- Getting More Detailed Log Messages
Troubleshooting Lookup Tables with Postmap
Getting Help
Summary
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Paperback,
295 pages
Released: July 2005
ISBN: 190481137X
Authors: Alistair McDonald,
Carl Taylor,
Magnus Bäck, David Rusenko, Ralf
Hildebrandt, Patrick Ben Koetter
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Introduction
1: Linux and E-Mail Basics
2: Setting Up Postfix
3: Incoming Mail with POP and IMAP
4: Providing Webmail Access 
Free Chapter
5: Securing Your Installation
6: Getting Started with Procmail
7: Advanced Procmail
8: Busting Spam with SpamAssassin
9: Antivirus Protection
10: Backing Up Your System
Index
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View the book details
on PacktPub.com
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