Yahoo ranked third under Hotmail.
Based on data released by comScore (a website traffic monitoring agency world) in October 2012, which is a Gmail email service owned by internet giant Google, is expressed as the number one email service in the world.
Gmail managed to shift Microsoft’s email service, Hotmail, second position to reach 287.9 million unique visitors worldwide. Hotmail itself has declared 286.2 million unique visitors.
For the third position is occupied by Yahoo with the achievement of 281.7 million unique visitors worldwide.
Based on data Comscore, Google can claim that they are largest email service providers in the world, after some time ago they also released data stating that Gmail is the largest email service in the world to date.