Microsoft Online Exchange 365 giving NDR issues ??

Are your using Microsoft exchange 365 online ? If the answer to that is yes.. Please read bellow.

Users facing have been informing IT support that they are getting Non-delivery-Report (NDR) for some e-mails that they have sent.

Please note that there is no problem in the way in which you have configured your exchange. This issue has to be raised at Microsoft's end.

Resolution : Please open a support case with microsoft through the OS365 admin login. They will acknowledge that they will look into it and get it resolved.


  1. Worst case, we have discovered that some emails just do not reach the destination, and you don't get a NDR or anything; it's just gone !

  2. Please open a case with Microsoft Online Portal.