Forum Discussion
Getting “Delivery has failed to these recipients or groups” on every received email
Hi, In Office 365 I recently converted an email address from a shared mailbox to a user mailbox, but I've noticed that every time we receive an email to that address (even though we DO actually r...
Hi Vasil, thanks for the suggestion. The issue happens with all messages our email address receives, regardless of whether we have emailed that address before or not.
I deleted the name cache registry, but it's still happening.
Any other help would be appreciated.
Many thanks,
Saxon.
Run a message trace, it should give you more insight on what happens: https://technet.microsoft.com/en-us/library/jj200712(v=exchg.150).aspx