ESS: Update block & exemption lists

Use the Sender Policy page to specify whether to block, allow, or quarantine messages from a specific sender or domain. These are called exempt/block list policies. To create a new policy:

1. Go to Settings > Sender Policy page, and enter the email address or domain in the Sender field.
2. From the Policy drop-down menu, select whether to Block, Exempt, or Quarantine the sender.
3. Optionally, you can add a comment to indicate why you created the policy.
4. Click Add to save the policy:
   
5. To remove a policy, click Remove in the Actions column for the sender policy you want to remove.