Mail-in-a-box is described as 'Take back control of your email with this easy-to-deploy mail server in a box' and is an app in the Online Services category. There are more than 10 alternatives to Mail-in-a-box for a variety of platforms, including Linux, Self-Hosted solutions, Mac, BSD and the Web. The best alternative is Cloudron, which is both free and Open Source. Other great apps like Mail-in-a-box are mailcow: dockerized (Free, Open Source), Postfix (Free, Open Source), iRedMail (Freemium, Open Source) and Exim (Free, Open Source).
- Cloudron is a complete solution for managing apps & users on your own server. Easily deploy production ready apps from the app library and keep them automatically up-to-date. It even comes with a built-in email server and web clients!. View 41 alternatives to Cloudron
- Freemium • Open Source
Cloudron vs Mail-in-a-boxCloudron is not an email server solutionNot a email server solutionit looks like a full on web control panel for hosting not e-mail specific..I didn't really realize I already had a full blown email solution when I installed Cloudron initially. Everything was already setup and ready to go!