LXer: Open Source Zarafa Goes After Microsoft Exchange
 

Published at LXer:

This time it's Zarafa, developer of collaboration software, that has announced it's adding native support for the BlackBerry Enterprise Server (BES) to its Linux-based e-mail and calendaring server. Zarafa's server already contains support for several other Microsoft and open source products, including Outlook, SugarCRM, OpenERP, and Alfresco.

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There is already a product called ATLAS GMV that allows connecting a BlackBerry Enterprise Server (BES) and any Linux email server, using its IMAP4 interface (and the IDLE extension for push)!!