IDG Contributor Network: Plesk teams with Kolab for open source groupware

Plesk, one of the major providers of website management solutions, has chosen Kolab Systems’ groupware solution for its millions of users.
"You can now deploy Kolab in your Plesk installation with the Premium Email powered by Kolab extension. this extension is a step forward in the field of turn key groupware and online collaboration software. This package is easy and convenient to deploy — it can literally be installed in a few clicks, and it provides full Kolab functionality w