Mail

Some stuff here. …then some more.

Introduction

Intro here

Postfix

Postfix is an MTA and I installed it!

Mailutils

Sources:

Linux.com: Process your email with procmail
Digital Ocean: How To Install and Configure Postfix on Ubuntu 18.04
Ask Ubuntu: Cron: No MTA installed, discarding output!
GitLab Docs: Set up Postfix for incoming email