As said earlier, this plugin was originally created for Elgg 1.2 which didn't have notifications. Since notifications came along in later Elgg version we stopped using and developing this plugin and started using Notifications. I don't know if this...

I guess Notifications don't do the exactly same thing. I just ask users to subscribe to groups they want. But it would be nice to have some kind of "forced subscribtion" in Notifications plugin.

Thank you all for the feedback. Unfortunetaly I have stopped developing and maintaining this plugin. The plugin was originally created for Elgg 1.2 which didn't have Notifications-functionaly. However, Elgg 1.5 have it's own notifications-plugin...