A bit old, but still really useful, i used this method on a server. Article by Tom, first posted on Tombuntu Wouldn’t it be useful if your computer could email you? I’d like to be notified by email when my server is in trouble, but I don’t want to run my own mail server. sSMTP [...]
I was searching for lightweight collaboration suite (messaging and groupware) to manage some small websites and while searching around I found Citadel.
Citadel is a complete and feature-rich open source groupware platform.
- Email, calendaring/scheduling, address books
- Bulletin boards, mailing list server, instant messaging
- Multiple domain support
- An intuitive, attractive AJAX-style web interface
The Citadel system is extremely versatile. It provides numerous front ends to present to users, such as a text-based interface, an AJAX-style web interface, and many popular PIM clients using SMTP/POP/IMAP. All of these can be used simultaneously.
It’s also extremely scalable. Not only can a well-equipped Citadel server support a large number of concurrent users, but you can also build a distributed network of Citadel nodes that share rooms and their content.
Let’s see how to install and configure it on a Debian 7 “wheezy”, most of this guide it’s based on the great linode guide wrote for debian 6.