By using an email account from your ISP, your teen is leaving themselves wide open to letting others track them and harrass them. They would gain a lot more privacy by using one of the free email programs offered on the web. There are so many of these popping up all over the place, that there is no reason not to take advange of them. Here are three from some major seach engines MailExcite , Alta Vista's Email, and Lycos Email.