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Connecting to Zimbra using ActiveSync

What is It

I'm currently working on a service which makes it possible to synchronize a WindowsCE Device with a Zimbra server using ActiveSync. So no additional software installation on the mobile required.

News

Currently it is possible to synchronize emails and download attachments. I plan to do email sending and calender synchronisation overe the next 2 months.

Architecure

The system uses an intermediate server. This server receives synchronisation requests from the Windows mobile device using the ActiveSync protocol. After analyzing the requests the state difference between the windows mobile and the Zimbra server is calculated and the necessarz operations (adding content, removeing content, changing attributes) is executed on the zimbra server and new state information and email information is sent to the mobile.

The server communicates with the Zimbra server over SOAP. This means my synchronisation server could also be used to synchronise against third party Zimbra server. So no need to host them yourself.

Interested?

Currently the software will most definitly delete/change/corrupt all messages stored on you phone. If you don't care, or if you have a device to play around contacxt me. I'll provide the necessary account informations to participate in testing. You only must provide bnug reports about things which don't work. A bug tracker is in place.