troubleshooting Question

DL mail routing to external contacts

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suelizyFlag for United States of America asked on
Email ProtocolsExchange
2 Comments1 Solution339 ViewsLast Modified:
We have a DL with an external contact in it.
If I send mail to the DL, the external contact never receives it and I never get an ndr back.  When I look at the tracking on my ironport servers, it shows the external contacts domain receives the mail.  They say that they never receive it.  If I send mail directly to that same external contact, they do receive it.
Thanks for any help!

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