In this post, let’s have a look at the error message “Office 365 logo – This indicates that Microsoft 365 or Office 365 generated the NDR. The logo doesn’t mean that Microsoft 365 or Office 365 was responsible for the error. This tells which messaging endpoints or services are involved in the email transaction, which isn’t always clear in older style NDRs.” that you get when working with Microsoft 365 Exchange Online.
These are the errors that you usually receive when there is a problem in delivering the email message that was sent by you. These errors are generated and sent by Office 365. This is usually alled as DSN which stands for delivery status notification or in simple words bounce messages.
NDR or Non-delivery report is one of the common type of message that you receive which indicates to the user that the email was not delivered.
Error Message
Office 365 logo – This indicates that Microsoft 365 or Office 365 generated the NDR. The logo doesn’t mean that Microsoft 365 or Office 365 was responsible for the error. This tells which messaging endpoints or services are involved in the email transaction, which isn’t always clear in older style NDRs.
Error Details
Cause
This section provides the reason that the message wasn’t delivered.
