1. Sign into your account where you want to add the alias 2. Click this link CODE http://edit.yahoo.com/config/login?.src=ym&.done=http%3A%2F%2Fedit.yahoo.com%2Fconfig%2Flist_alias%3F.src%3Dym%26.intl%3Dus 3. It will ask you to confirm your password. 4. You will come to a page that says Create an extra email address 5. In the Left type in the dot name you want to use. 6. It will create a new email account, IF that name is available. 7. Now when you go to your yahoo account information, you will see that dot name added...