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Chapter 15. Email Services
The process of getting an email 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 email 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 email client, usually via a POP3 or IMAP server.
1. Postfix1.1. Installation1.2. Basic Configuration1.3. SMTP Authentication1.4. Configuring SASL1.5. Mail-Stack Delivery1.6. Testing1.7. Troubleshooting1.7.1. Escaping chroot1.7.2. Smtps1.7.3. Log Files1.7.4. References2. Exim42.1. Installation2.2. Configuration2.3. SMTP Authentication2.4. Configuring SASL2.5. References3. Dovecot Server3.1. Installation3.2. Configuration3.3. Dovecot SSL Configuration3.4. Firewall Configuration for an Email Server3.5. References4. Mailman4.1. Installation4.1.1. Apache24.1.2. Postfix4.1.3. Exim44.1.4. Mailman4.2. Configuration4.2.1. Apache24.2.2. Postfix4.2.3. Exim44.2.4. Main4.2.5. Transport4.2.6. Router4.2.7. Mailman4.3. Administration4.4. Users4.5. References5. Mail Filtering5.1. Installation5.2. Configuration5.2.1. ClamAV5.2.2. Spamassassin5.2.3. Amavisd-new5.2.4. Postfix5.2.5. Amavisd-new and Spamassassin5.3. Testing5.4. Troubleshooting5.5. References