exchange health monitoring mailbox messages non stop

dirkdigs 921 Reputation points
2021-03-26T20:27:56.147+00:00

after upgrading exchange 2013 to latest CU we are getting a large number of Undeliverable inbound proxy probe emails coming from the postmaster@keyman .com going to the healthmailbox and getting "delivery has failed to these recipients or groups"

What is this and How can i provide resolution.

Exchange Server Management
Exchange Server Management
Exchange Server: A family of Microsoft client/server messaging and collaboration software.Management: The act or process of organizing, handling, directing or controlling something.
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  1. dirkdigs 921 Reputation points
    2021-05-06T15:03:22.907+00:00

    [PS] C:\Users\admin\Desktop> Get-TransportConfig | Format-List ExternalPostmasterAddress

    ExternalPostmasterAddress : postmaster@keyman .ca

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