Here is the situation:
Zimbra user 1 sends zimbra user 2 a meeting request through the web client. User 2 accepts the meeting request on the Iphone (OTA). The meeting populates the calendar but User 2 gets the following error message. When user 2 accepts the meeting request through the web client they don't get the failure message. User 2 gets this message every time they accept a meeting request on the iphone .
From: John Cadden [mailto:firstname.lastname@example.org]
To: John Cadden
Subject: Local Failure Notice
Local Failures were detected. No action is required.
This e-mail was generated for technical support purposes.
Sync Type: Delta Sync
Sync Token (before request): 102222
Sync Token (most current): 102226
Store: Zimbra - John Cadden
Computer Name: JCADDEN
Mime to mapi conversion:
Warning 0: Convert() - mime to mapi conversion returned partial
completion. hr = 263808 Body of this item maybe corrupted.