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Comments for event ID 1066 currently in the processing queue.

Note: We have not reviewed this information yet so it is unfiltered, exactly how it was submitted by our contributors.

Event ID: 1066
Event Source: POP3 Connector
Event Type: Warning
Event Description: An error occurred in deleting the message <id:{3F7DE403-D016-4599-B03D-03B870F745C6}> from the POP3 server (mailbox <firstname.lastname!domainname.domainsuffix [pop.domainname.domainsuffix]>). The error is -2147014842 (An existing connection was forcibly closed by the remote host.
). The message will remain on the POP3 server and the recipient(s) may receive it more than once.

For more information see Help and Support Center at http://go.microsoft.com/fwlink/events.asp.
Comment: OS: Windows Server 2003 SP3 newest Patch status

SBS Exchange using POP3 Connector to external MAIL Hosting server

From time to time one message coming every 10 min (POP3 connecting intervall)

Associated event: Event 1067 from POP3 Connector directly after the 1066 event with the following error description:

There was an error logging out from the POP3 server (mailbox <pop.domainname.domainsuffix [firstname.lastname!domainname.domainsuffix]>). The error is -2147014842 (An existing connection was forcibly closed by the remote host.
). All the messages will remain in the server and its recipients may receive it more than once.

For more information see Help and Support Center at http://go.microsoft.com/fwlink/events.asp.

Solution:  call external Mail provider and let mail admin delete the message that is coming repeatedly. Answer from external mail admin: "Null file" in inbox of the user's mailbox (Mailbox shown empty but still one corrupt () mail message in the inbox)

!!!

rgds thank you for your help!
Fridolin Mansmann

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