Email Tutorials - Herong's Tutorial Examples
∟Postfix - Mail Transport Agent (MTA)
This chapter provides introductions and tutorial examples about Postfix - Mail Transport Agent (MTA). Topics include installing, configuring, and starting Postfix; testing Postfix using STMP commands with 'telnet'; turn on 'SMTP Submission' service; turning on Postfix server logging; using 'postconf' command.
What Is Postfix
Install and Configure Postfix on CentOS
Test Postfix Server with "telnet" Client
SMTP Submission Service on Port 587 in Postfix
Archive Emails using "always_bcc" Setting in Postfix
Move /var/spool/postfix to New Location
"postconf" Command to Manage Postfix Configuration
Turn on Postfix Server Logging for Troubleshooting
Takeaways:
- Postfix is a free and open-source Mail Transport Agent (MTA) that routes and delivers electronic mails on Linux systems.
- Postfix configuration file is located at /etc/postfix/main.cf.
- Postfix accepts SMTP client requests at port 25 primarily for mail relay.
- Postfix accepts SMTP client requests at port 587 primarily for mail submission.
- Postfix accepts SMTPS (SMTP over SSL/TLS) client requests at port 465.
- Postfix supports an "always_bcc" setting to send a blind carbon copy for archiving purpose.
- Postfix logging can be turned on in the /etc/postfix/main.cf.
- The "postconf" command can be used to manage Postfix both main.cf and master.cf configuration settings.
Table of Contents
About This Book
Introduction to Email
►Postfix - Mail Transport Agent (MTA)
SSL/TLS Secure Connections with Postfix Server
Dovecot - IMAP and POP3 Server
SSL/TLS Secure Connections with Dovecot Server
Email Client Tools - Mail User Agents (MUA)
Mozilla Thunderbird - Mail User Agents (MUA)
References
Full Version in PDF/EPUB