Once the validation process is finished, click on “Update Hubspot’s List”. Based on analyzing results, choose what categories are you going to suppress (for example invalid, spam-trap, and disposable emails), then click on the “Update Hubspot’s List” button.

Wait some seconds for the process to finish. Selected categories will remove from your email list on HubSpot.
We do not erase the emails; we opt-out email addresses from future communications. Here is how you can find opted-out emails: Navigate to the contacts section of your HubSpot account and filter the “Unsubscribed from all email -> True”. You should see something like this:

Important: If you OPT OUT of all emails or a specific email subscription type for a recipient, there is NO UNDO for this operation.