Skip to main content
015.010

Interpreting Bounce Messages (DSN)

How to read the "full report." This section is a guide to reading a Delivery Status Notification (DSN), the "full-text" bounce message that contains the technical headers, the SMTP code, and the human-readable explanation for the failure.

4 questions in this topic

Questions about Interpreting Bounce Messages (DSN)

What information is usually included in a bounce message (DSN)? How can I parse bounce messages automatically? What are the key fields to look for in a bounce message? How can bounce messages help diagnose deliverability issues?