Yahoo Messenger "unblock someone mail" Questions

...unblock someone on yahoo mail, Go to the top left hand corner where it says options and click. Then, click on Mail options. A new tab thing should open in your yahoo window. On your left hand side of ...

...someone consecutively fails to log in. This can happen because of you or a stranger. This is a good in some cases. Without this a hacker could brute-force your log in and get your details. ...