HOWTO secure the msmtp configuration using libsecret’s password manager with Microsoft SMTP (Ubuntu)

Introduction and catchup

This is an evolution of “HOWTO Send an email using Gmail from a system configuration using msmtp and heirloom-mailx (Ubuntu)” that you can find here.

Libsecret’s secret-tool utility

The password manager package that is being used here is called secret-tool and is part of the libsecret tools package. Documentation on this tool is available from…