Chapter 12. E-mail Services

Table of Contents

Postfix
Installation
Basic Configuration
SMTP Authentication
Configuring SASL
Testing
Exim4
Installation
Configuration
Dovecot Server
Installation
Configuration
Dovecot SSL Configuration
Firewall Configuration for an E-mail Server
Mailman
Installation
Configuration
Administration
Users
References

The process of getting an e-mail from one person to another over a network or the Internet involves many systems working together. Each of these systems must be correctly configured for the process to work. The sender uses a Mail User Agent (MUA), or e-mail client, to send the message through one or more Mail Transfer Agents (MTA), the last of which will hand it off to a Mail Delivery Agent (MDA) for delivery to the recipient's mailbox, from which it will be retrieved by the recipient's e-mail client, usually via a POP3 or IMAP server.