This suppression page gives an overview of all the details of all the emails that encountered an error while trying to be sent out by the system. Whenever an email is not sent, it will appear on this page with the reason why it did not send. This page is useful for troubleshooting when an error occurs.
This page is located under the Logs category in the settings, highlighted in dark blue in the picture below.
In this page, you can also create, save and delete filters, view more rows in one page and also view more details and sort them. You can also export your data into an excel file. To learn how to do so, follow these links: