Make sure you setup it the way to not block any spam emails.
1. Login to the hotmail account, go to Options->More Options, in the top right.
2. Click on "Rules for sorting new messages" under "Customizing Hotmail"
3. Click on New.
4. In Step 1 make sure the first selection box is set to "Sender's address", and the second box is set to "contains". Lastly put the @ symbol/character in the box.
5. In Step 2 make sure "Move to Inbox" is selected.
6. Hit the Save button.