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calendar - incoming email error - The user does not exist or is not unique..

Posted By:      Posted Date: October 12, 2010    Points: 0   Category :SharePoint

I am sending calendar appointments to a sharepoint calendar.  It works fine if i send from my exchange email on the domain.  However if i try to send from outlook, which has a gmail (live account same error) account off network, the mail comes to the drop folder on my incoming email sharepoint server but then i get this error:

An error occurred while processing the incoming e-mail file C:\inetpub\mailroot\Drop\4ab7332801cb38a6000000c7.eml. The error was: The user does not exist or is not unique..

next error is

The Incoming E-Mail service has completed a batch.  The elapsed time was 00:00:00.0625004.  The service processed 1 message(s) in total.  Errors occurred processing 1 message(s): Message ID: <000001cb38a5$00a4f100$01eed300$@com>

external users can just find send email and documents to other document libraries but this calendar is giving me problems.

all servers sharepoint 2007 sp2 enterprise edition.


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