A suppression list is a list email addresses that, when added to a marketing deployment, will not be sent to under any circumstances.

To make a new suppression list, click . From this view, enter a name for the suppression list and click .

Once the list is created, you can start adding email addresses one at a time, or add multiple email addresses at once.

When the list is complete, click the button.

Email addresses can also be added to a suppression list based on the actions on a previous deployment. See this article to learn more.  go to the statistics of a previous deployment by clicking the statistics button located next to the deployment name in your deployments list.

When creating or editing a marketing deployment, you can add one or more suppression lists to it in the 'Recipients' section of the deployment configuration page. See This article to learn more.