Forum Discussion
eladfe
Jul 18, 2023Copper Contributor
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...
Jul 18, 2023
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
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
eladfe
Jul 20, 2023Copper Contributor
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 .
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 .