Each account has a unique blocklist or suppression list. When someone unsubscribes from your newsletter, his or her email address will be added to the blocklist. No email address on the blocklist will receive emails from GraphicMail, except if you are mailing to a list to which there are still marked as (S) – i.e. subscribed.
You cannot remove addresses from the blocklist. Should you wish to remove an address, you will need to ask the user to subscribe again, or make the request to GraphicMail support.
If you have a list of ‘do not send’ email addresses, you can also import that to your blocklist. Supported file types are Excel (xls, xlsx) and delimited text files (csv, txt).
You can export your blocklist to sync it with your external files.