Event ID - 2091

Event Id2091
SourceMSExchangeIS
DescriptionA message deliver to public folder store "<name>" with message class <text> is being dropped.
Event InformationAccording to Microsoft:
EXPLANATION:
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).
User Action:
No user action is required.
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