Non-Delivery Report (NDR)

Source: docs.titanhq.com Product: SpamTitan Imported content type: docs_page Product stream: legacy

Non-Delivery Report (NDR)

An automated message from a mail system, informing the sender of an email that was not delivered (or some other delivery problem occurred). The email is said to have “bounced”.

Also known as a bounce message, non-delivery receipt, delivery status notification (DSN) or non-delivery notification (NDN).