| Personalizing Chat | Customizing Chat | Blocking Chat Messages | Unblocking Chat Messages | Chatting with Windows Live Users | If You Use Yahoo! Messenger |
When you’re ready to chat with someone who found their way onto your blocked list, remove his or her Yahoo! ID from the list and chat away.
Click the Options menu, then select Mail Options.

In the Mail Options page, click the Spam option on the left side of the page.

In the Chat section on the right, select the Yahoo! ID you want to remove from the Blocked List, then click the Remove button.
The person can now see when you’re online and both of you can chat.
Blocking a sender is one way to protect yourself against spammers. To learn more about spam and how to protect yourself, take a look at the Protecting Yourself From Spam and Using SpamGuard tutorials.