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Rebound - How to Troubleshoot Issues | Postmark Support Center

Rebound - How to Troubleshoot Issues

Public facing docs on Rebound

Rebound FAQ | Postmark Support Center
Rebound for Postmark - Notify your customers about bounced emails
Rebound for Postmark | API Docs

How to see if Rebound is installed on a page

To see if Rebound is installed on a page, open the browser console (Developer Tools), navigate to the Network tab, and look at the XHR requests:

image-20220831-122854.png

If the Rebound snippet is correctly installed on the customer’s page, A POST request being sent to https://rebound.postmarkapp.com/check  should be present.

Rebound snippet is correctly installed on a page, but it still doesn’t work

If the snippet is present and correctly installed on a page, but it still doesn’t work, it’s possible that the customer is using an incorrect token, for example. To verify this a developer would need to check MySQL against their Postmark account.

Last updated March 26th, 2025

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