Yahoo Mail is a free email service (except for Yahoo Mail Business Email Plans) offered by the American company Yahoo!. It was launched in 1997, and, according to comScore, Yahoo Mail was the third-largest web-based email service with 281 million users as of December 2011.As many as three web interfaces were available at any given date. The traditional "Yahoo Mail Classic" preserved the availability of their original 1997 interface until July 2013 in North America.