HomeMicrosoft OfficeOutlookMicrosoft 365 Exchange Error Code – This value is returned by the mail server that rejected the original message.

Microsoft 365 Exchange Error Code – This value is returned by the mail server that rejected the original message.

In this post, let’s have a look at the error message – This value is returned by the mail server that rejected the original message. This text provides an explanation for the enhanced status code value. The text is always presented in US-ASCII format.” 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

– This value is returned by the mail server that rejected the original message. This text provides an explanation for the enhanced status code value. The text is always presented in US-ASCII format.

Error Details

Original message headers

This section contains the message header fields of the rejected message. These header fields can provide useful diagnostic information, such as the path that the message took before it was rejected, or whether the To field value matches the rejected recipient value.

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