Seeing these more and more.
Now I've seen one on a calendar update which just seemed to corrupt the content type field!?!
XML Parsing Error: not well-formed
Line Number 130, Column 55:</content></mp></mp><mp ct="image/gif"><content>GIF89a</content></mp><mp ct="image/gif"><content>GIF89aA</content></mp><mp ct="text/html"><content><html><body></body></html></content></mp></mp><attach aid="aa3d13a5-f4e6-4a9e-8470-3030720711c8:c700549c-a2ea-4fb4-8ba4-20654f2002bf"/></m></default></SetAppointmentRequest></soap:Body></soap:Envelope></Request><Response><soap:Envelope xmlns:soap="http://www.w3.org/2003/05/soap-envelope"><soap:Body><soap:Fault><soap:Code><soap: Value>soap:Sender</soap:Value></soap:Code><soap:Reason><soap:Text>parse error: Error on line 130 of document : An invalid XML character (Unicode: 0x10) was found in the element content of the document. Nested exception: An invalid XML character (Unicode: 0x10) was found in the element content of the document.</soap:Text></soap:Reason><soap

etail><Error xmlns="urn:zimbra"><Code>service.PARSE_ERROR</Code><Trace>btpool0-6264:1257190678054:e174b3d8bd546d69</Trace></Error></soap

etail></soap:Fault></soap:Body></soap:Envelope></Response></SyncError>
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