Event ID - 3027

Event Id3027
SourceMSExchangeActiveSyncNotify
DescriptionA non-delivery report with a status code of %1 was generated for recipient %2 (Message-ID %3). Causes: This message indicates that the sender was denied access or general access was denied. Solution: Check system privileges and attributes for the contact and retry sending the message
Event Information"According To Microsoft:
CAUSE:
This Information event may indicate that the sender specified in the event description does not have the required permission to send a message to the recipient specified in the event description. Microsoft® Exchange Server 2003 has a new feature that enables mailbox users or distribution groups to only receive e-mail messages from authenticated users. This feature lets you restrict incoming Internet e-mail for specific users or for distribution groups. The feature is enabled when you click to select the From authenticated users only check box in the Message restrictions settings for an individual user or a distribution group.
Two other events that occur with MSExchangeTransport event 3027 are MSExchangeTransport events 9014 and 6015. Resolving any one of these events frequently resolves all three related events.
MSExchangeTransport events 9014, 6015, and 3027 are logged only when you turn up diagnostic logging on the MSExchangeTransport component to Maximum.

RESOLUTION:
A decision whether you want to resolve this event depends on how you want Exchange to respond when anonymous users send incoming Internet mail to a user or distribution group in your organization. After you have decided how you want Exchange to respond when anonymous users send incoming Internet mail to a user or distribution group, make sure that you have configured Exchange Server 2003 correctly.
Reference LinksMicrosoft product: Exchange Version: 6.5.7596.0 Event Source: MSExchangeActiveSyncNotify Event ID: 3027

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