1. Open Windows Live Mail by double-clicking your "Windows Live Mail" icon on your "Desktop" or by clicking the "Windows Live Mail" icon from the start menu.
  2. Select "Safety options…" from the "Tools" menu. If you do not see the "Tools" menu, click "Show menu bar" from the "Menu" button.
  3. Select the "Blocked Senders" tab.
  4. To add an email address to the "Blocked Senders List" click "Add...".
  5. Type in the email address or domain address you would like to block and click "OK".
  6. When you are finished adding email addresses or domains to your blocked senders list click "OK" to close the "Safety Options".