Email Spam Black & White Filters
You can enter up to 50 domains or addresses in this section to approve or block.
You must enter one domain or email address per line, but you can enter multiple ones at the same time, after you have typed the list you want click save and the list on the left will automatically update.
You can select to display whitelisted, blacklisted or both. The image below will display both , you can unselct one and it will display the selected only.