Delivery reports

Mikhail Firsov 1,881

Hello!

While testing IMAP I sent myself two (2) messages: both of them have been received.

When I tried to see them in delivery reports I got this:

Where's the Re:111 message received at 14:16 ???

Regards,
Michael

3 answers

Kael Yao-MSFT 37,651 Reputation points Microsoft Vendor

2023-07-17T01:37:35.9+00:00
Hi @Mikhail Firsov

Since it has been a few days, if you check the delivery report again, would you see the Re:111 message in the result?

Besides, since delivery report is based on message tracking log, which is a more powerful tool for message trace, I would suggest using the message tracking log instead to check the status of the message.

You can use the following cmdlet in Exchange Management Shell:

Get-MessageTrackingLog -recipients "Exchange Admin email address" -messagesubject "Re: 111"

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Kael Yao-MSFT 37,651 Reputation points Microsoft Vendor

2023-07-20T07:46:10.08+00:00

Hi @Mikhail Firsov

I am writing here to confirm with you how thing going now?

Please let us know if you would like further assistance.
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Mikhail Firsov 1,881 Reputation points

2023-07-24T14:56:11.72+00:00

Hi Kael Yao-MSFT,

Sorry for the the delay!

No, I don't see that message either in GUI or in PS.

Regards,
Michael
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Kael Yao-MSFT 37,651 Reputation points Microsoft Vendor

2023-07-25T01:55:08.61+00:00

Thanks for the information.

While your mailbox did receive the second message right?

If this is the case, to me one possible cause would be with the message tracking log.

I have seen a similar issue once before, that the entries of a specific message were somehow missing from the log, which caused this message cannot be searched in either GUI or in PS (since the search uses the log).

Probably there may be some temporary read/write issues (maybe caused by anti-virus or other software or other reasons) with message tracking log at that time.

If this issue continues to happen, please disable third-party software (if any) on your Exchange server, and see if it will happen again.
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Mikhail Firsov 1,881 Reputation points

2023-07-25T07:12:51.2366667+00:00

"While your mailbox did receive the second message right?" - yes, exactly! And I've already seen ~such issues even in earlier versions of Exchange - looks strange to me that the same issue exists even in Exchange 2019 :(

Thank you for your help!

Regards,
Michael
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Kael Yao-MSFT 37,651 Reputation points Microsoft Vendor

2023-07-25T07:31:27.6633333+00:00

Glad to help!

If you have any questions or needed further help on this issue, please feel free to post back.

If the question has been answered, please accept the helpful replies as the answer to help other community members.

Thanks for your understanding.
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Delivery reports

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