Forum Discussion

Copper Contributor

Jun 06, 2019

Emails to distribution list being dropped

Emails have just been dropped with no NDR. These are internal users messaging an internal distribution group. The support tech had no idea, and refused to escalate the case. When I did a message trac...

MVP

Jun 07, 2019

That message is perfectly normal for emails sent to DLs, post the full message trace.

dan-o365
Copper Contributor
Jun 07, 2019
VasilMichev

Jun 4, 2019 4:00:22 PM
Receive
Message received by: DM5PR06MB2345 using TLS1.2 with AES256
Jun 4, 2019 4:00:22 PM
Submit
The message was submitted.
Jun 4, 2019 4:00:22 PM
Expand DL
The message was sent to a distribution list (DL) that was expanded to the recipients of the DL.
Jun 4, 2019 4:00:22 PM
Drop
Reason: [{LED=250 2.1.5 RESOLVER.GRP.Expanded; distribution list expanded};{MSG=};{FQDN=};{IP=};{LRT=}]
Jun 4, 2019 4:00:22 PM
Spam Diagnostics

More information
Message ID:
<3FEF1E44-806D-4462-AA96-BC6329B700DC@****.com>
Message size:
48 KB
From IP:
50.243.147.228
To IP:
- VasilMichev
  MVP
  Jun 08, 2019
  You need the message trace details, Get-MessageTraceDetail. And you can also check the traces to the individual recipients, especially the ones that are having issues receiving messages.
  - dan-o365
    Copper Contributor
    Jun 10, 2019
    VasilMichev
    Where in office 365 am I allowed to use Exchange cmdlets?