Mattermost: A Self-Hosted Communication Platform

Best Practices for Mattermost Security

Matrix/Element: If true privacy and "unlimited" control are your goals, the Matrix protocol is decentralized and cannot be "licensed" in the traditional sense. Final Verdict

For those running their own servers, technical "hacks" allow for more control over the environment. 

To address the identified vulnerabilities and improve the overall security posture of Mattermost:

The Risks of Using a Mattermost Crack

If the limitations of the Mattermost Team Edition are frustrating, you might consider shifting to platforms that offer more "Enterprise" features in their base layer:

Instead of seeking a crack, consider the following alternatives: