Problem inviting people in a meeting

[chipmunk]

With an HTC cruize when you add someone to a meeting, and send him a message
The message is unreadable by zimbra...

I think it's a kind of windows special message for appointment...

How can i avoid this?

Thanks for your answers,

This is the body of the mesage i get

--_DE4010C4-69CC-9517-B674-2560E1913A38_
Content-Transfer-Encoding: 7bit
Content-Type: text/plain; charset=us-ascii


--_DE4010C4-69CC-9517-B674-2560E1913A38_
Content-Type: application/ms-tnef
Content-Transfer-Encoding: base64
X-MS-Has-Attach:
Content-Disposition: attachment
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==

--_DE4010C4-69CC-9517-B674-2560E1913A38_--