Event ID - 1053

Event Id1053
SourcePOP3 Connector
DescriptionThe delivery process for message <id: {ID}> finished with one or more errors.
Event InformationFollowing information from a newsgroup post may help you to understand this event :
"I do not know if anyone else has experienced this, but after applying the Service Pack to Exchange, the following had happened. In the POP3 Connector Manager, some of the entered POP3 accounts had managed to lose the “Exchange Mailbox” property in the Mailbox information section. Thus, the server was picking up the mail, but did not know what to do with it and dumped it in the Failed Mail folder. After specifying the correct Exchange mailboxes, all was fine
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