1. Open Windows Mail by double-clicking your "Windows Mail" icon on your "Desktop" or by clicking the "Windows Mail" icon from the start menu.
  2. Select "Junk email Options..." from the "Tools" menu.
  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 "Junk email Options".