Back to the list Mastering Mail Servers · Trunk Road

Lesson 7/7 SMTP relay explained, with a Postfix and Brevo demo

Name: SMTP relay explained, with a Postfix and Brevo demo
Uploaded: 2026-05-30
Description: Understand SMTP relay and set one up, demonstrated with Postfix and Brevo.

An SMTP relay with Postfix. A full install and configuration on Ubuntu Linux with Brevo as the smarthost. TLS authentication, the SMTP key, the password file, send tests, mail headers and MX high availability, all explained.