Mail Server: Postfix, Dovecot and Rspamd
Exit

Lesson 3 of 12 · SMTP fundamentals

Queues and logs: tracking a message

45 min Debian 12 Versions Debian 12, Debian 13, Ubuntu 24.04, Rocky 9

Objective

Know where a message is at any moment, read the Postfix queue, act on it safely (hold, requeue, delete) and rebuild the story of a message from the logs.

This lesson is part of the full course

Unlock Mail Server: Postfix, Dovecot and Rspamd to read every lesson, do the exercises, access the simulations and earn your certificate.

Already enrolled? Log in.