Under certain circumstances, you might want to prevent a specific bidder from bidding in your future auctions. People on this list cannot bid on any of your auctions, and you cannot bid on their auctions.

To blacklist a bidder, follow these steps:

1. Click the "My Auctions" link on the upper-right corner.
2. Click "Edit Blacklist."
3. Enter the ID of the bidder you want to blacklist.
4. Click the "Add to Blacklist" button.

To remove someone from your blacklist, follow these steps:

1. Click the "My Auctions" link in the upper-right corner of any Yahoo! Auctions page.
2. Click "Edit Blacklist."
3. Select the appropriate Yahoo! ID and click the "Delete From Blacklist" button.

Please Note: If you add a seller to your blacklist, you cannot bid on their auctions, and they cannot bid on yours.