How can I check if my OnPremise Exchange Server is still sending email as relay to the outside world?

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EnterpriseArchitect 6,041

How can I verify and check if my Exchange Servers are still sending emails to the external world?

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Answer 1

Mike Hu-MSFT 4,145 Microsoft External Staff

Hi,

Welcome to the Microsoft Q&A forum.

You can confirm whether the mails are sent to the outside by checking the mail flow logs of Exchange Server. The specific path is as follows:

D:\Exchange Server 2016\TransportRoles\Logs\Hub\ProtocolLog\SmtpSend

D:\Exchange Server 2016\TransportRoles\Logs\FrontEnd\ProtocolLog\SmtpSend

D:\Exchange Server 2016\TransportRoles\Logs\FrontEnd\ProtocolLog\SmtpReceive

D:\Exchange Server 2016\TransportRoles\Logs\MessageTracking And IIS log

Please feel free to contact me for any updates.And if this helps,don't forget to mark it as an answer.

EnterpriseArchitect 6,041 Reputation points

2024-09-16T11:41:18.15+00:00

Thanks @Mike Hu-MSFT ,
If there is no entry at the above page URL, does it mean my Exchange Server is not having an issue?
Mike Hu-MSFT 4,145 Reputation points Microsoft External Staff

2024-09-18T09:00:15.7733333+00:00

The page URL you mentioned, if it doesn't show any server listing, it doesn't necessarily mean that your Exchange Server has no issues. The page might only show specific types of issues or unpatched servers.
EnterpriseArchitect 6,041 Reputation points

2024-09-18T10:23:04.45+00:00

THanks @Mike Hu