Has Yahoo sent emails to clients threatening to close accounts unless account holder send back password etc?
This is probably a phishing email. There is some information on Yahoo! security centre about this type of practice as well as tips on how to avoid it – here is an extract (more can be found on this page: http://security.yahoo.com/article.html?a… “Fraudsters send fake emails or set up fake web sites that mimic Yahoo!’s sign-in pages (or the sign-in pages of other trusted companies, such as eBay or PayPal) to trick you into disclosing your user name and password. This practice is sometimes referred to as “phishing” — a play on the word “fishing” — because the fraudster is fishing for your private account information. Typically, fraudsters try to trick you into providing your user name and password so that they can gain access to an online account. Once they gain access, they can use your personal information to commit identity theft, charge your credit cards, empty your bank accounts, read your email, and lock you out o
