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Wrong server version displayed in POP and IMAP logoff strings

Applies To

Exchange Server 2019

Symptoms

If you enter the QUIT command in a POP3 or IMAP session in Microsoft Exchange Server 2019, the server displays a wrong Exchange Server version:

Note

+OK Microsoft Exchange Server 2016 POP3 server signing off.

Resolution

To fix this issue, install the following cumulative update:

Cumulative Update 15 for Exchange Server 2019 or a later cumulative update for Exchange Server 2019