Zarafa Small Business
Zarafa Small Business for ClearOS is an open-source, full-featured collaboration and groupware platform. Zarafa includes a web-based interface for performing mail, address book and calendar functions. It is designed for organizations that require the assurance of professional technical support.
This app includes a license for 5 users. Additional users can be added by purchasing Zarafa user packs from the Marketplace.
To learn more about this app, click here
Documentation for ClearOS 6 can be found here.
Documentation for ClearOS 7 can be found here.