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Event ID: 2091 Source: MSExchangeISPublicStore

Level
Description
A message deliver to public folder store "<name>" with message class <text> is being dropped.
Comments
 
Message class IPM.POST - ME960993 indicates that this may be recorded on Exchange 2003 if one of the posted messages of the same replication message includes uncompressed Rich Text Format (RTF) body in the PR_RTF_COMPRESSED property. A hotfix is available.
MSEX2KDB says that if a user sends mail to the address of the public information store, the information store drops the message and SMTP sends an NDR (non-delivery receipt) and this event is recorded. No further action is required.

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