Forum Discussion
Microsoft Teams Channel Delivery has failed to these recipients bounce back
Hi Microsoft Community, Hopefully, someone can help me out. It's about 2 days now since we can't send emails from Outlook app / Outlook Web. We keep getting a Delivery that failed bounce bac...
Unfortunately troubleshooting the email to channel functionality is not easy, as the process itself is sort of a black box (messages are routed to a Microsoft-managed tenant to which you have no access). Thus the best thing to do here is open a support case.
You can of course share the full NDR just in case.
You can of course share the full NDR just in case.
- Hi Vasil,
For some unknown reason, it started working again yesterday.
I'm still troubleshooting how it was possible that it stopped working for 2 days.
