Howtoforge published a tutorial about installing SOGo Groupware on Debian 10.

How to Install SOGo Groupware on Debian 10

SOGo is a free, open-source and collaborative groupware server released under the GNU GPL/LGPL v2 and above. It comes with a simple and easy to use web-based interface and supports multiple native clients. It provides native Microsoft ActiveSync support and also supports mobile devices such as, Apple iPhone, Android, Windows Phone, and BlackBerry.

How to Install SOGo Groupware on Debian 10