Forum Discussion
NDR message is not specific
hay I sent an email to 2 different emails addresses. one of the addresses is in our tenant block list therefore I received an NDR message that both of the recipients didn't get the mail because the...
eladfe Hi , you can check the tenant allow/block lists section in DFO. and remove any email previously blocked
But I want to know exactly which email address in the NDR message is on the block list.
For example; If the NDR message contains 20 emails addresses its very frustrating to check each one of them
For example; If the NDR message contains 20 emails addresses its very frustrating to check each one of them
- usually the NDR message contains "Delivery has failed to these recipients or groups" and it will list the recipients lists
refer to the below link to check the type of errors generated by NDR
https://learn.microsoft.com/en-us/exchange/troubleshoot/email-delivery/ndr/non-delivery-reports-in-exchange-online- The NDR message :
Remote server returned '550 5.7.703 Your message can't be delivered because one or more recipients are blocked by your organization's tenant recipient block policy. AS(8910)'
And this message is for both email address although one of them is not on the tenant recipient block policy .