Forum Discussion
rob_nicholson_helios
Sep 14, 2019Copper Contributor
NDR not received when sending from an Office 365 group
My client regularly sends email from an Office 365 group, i.e. they have "Send As" permissions against the Office 365 group in Exchange. Couple of screenshots below. Then they add the name of the gro...
HidMov
Sep 14, 2019Steel Contributor
Just tested this out myself - looks like the office365 group mailbox sets up a rule to automatically delete any NDR's it receives:
That's why nothing is received back. I'm probably being a bit stupid, but I'm struggling to find and amend the mailbox rule for the O365 group either in the GUI or in Powershell. Just tried a quick mail flow rule to redirect automatic elsewhere, but it wouldn't allow it. Going to still have a play around with it for a bit.
rob_nicholson_helios
Sep 16, 2019Copper Contributor
Thanks for this - at least one now knows why the difference between personal and send-as routes.