How to Block a Specific Sender using Outlook Express:

1. Highlight the message from the sender you do not wish to receive emails from.

2. On the menu bar go to Messages then Block Sender...

3. A message similar to below will pop up. Click Yes to have all existing messages from the blocked sender deleted from the current folder.

4. The message(s) from that sender should be deleted from your inbox and the email address is now added to your block sender list.