Non-Delivery Reports

Usage and Key Features

Use this report to obtain an overview of your non-delivery reports.

Provides visibility into NDRs and bounce messages triggered by the Exchange system, helping administrators diagnose reasons for failed deliveries, spam detections, or other issues impacting email transmission.
Enables the grouping and filtering of NDRs and bounce messages based on sender or recipient domains, facilitating targeted analysis of delivery problems associated with specific domains for focused troubleshooting.
Allows for the summarization of NDRs and bounce messages by domain, providing an overview of delivery issues across different domains and aiding in identifying recurring problems or trends related to specific domains.
Provides the option to list NDRs and bounce messages individually along with their subject lines, offering detailed insights into specific failed email transmissions and aiding administrators in understanding the context of delivery failures.

Report Sample: Non-Delivery Reports By Sender Domain

This sample report shows the SMTP domains to which NDRs were sent after receiving a message with an unknown recipient.