Postfix SMTP Server

Before Entering Today's Topic

• MIME

SMTP Servers

• Sendmail
• Qmail
• Exim
• Postfix
• MS Exchange Server

Configuration

• /etc/postfix/main.cf ... main server configuration
• /etc/postfix/master.cf ... master process configuration

Main Server Configuration

• /usr/sbin/postconf ... all configurable parameters
• What domain name to use in outbound mail
• What domains to receive mail for
• What clients to relay mail from
• What destinations to relay mail to

Main Server Configuration (contd.)

• What delivery method: direct or indirect
• What trouble to report to the postmaster
• Logging
• etc. etc.

Master Process Configuration

• master.cf manual
• Receiving / Relaying Server
• Submission Server
• Amavisd Handover and Retrieve
• Various Sub-Processes

Postfix Architecture

• Overview

Graylisting / Amavis + SpamAssassin

• check_policy_service inet:127.0.0.1:10023
• content_filter=smtp-amavis:[127.0.0.1]:10024
• 127.0.0.1:10025 inet n - n - - smtpd

Mail Forwarding / Aliases

• ~/.forward :

     \me, foo@example.com
  

• /etc/aliases :

     MAILER-DAEMON:  postmaster
     postmaster:     root
     root: tkikuchi,ymori
  

Procmail

• Local delivery agent
• ~/.procmailrc
• Procmail
• Procmail FAQ
• Japanese How-to

Mailing List

• Mailman

Quiz of the Day

• What is the name of our (is.kochi-u.ac.jp domain) SMTP server program ?