Opera has acquired webmail service company FastMail.FM. FastMail.FM started about 10 years ago and will continue to run and grow their email service. “Joining together Opera?s expertise in web browsers and especially the mobile market, and FastMail.FM?s expertise in email, will allow us to grow and take on the next big challenges in running and building an email service,” said the FastMail.FM in a statement. The terms of the deal were undisclosed. Opera has about 55 million users of their desktop browser and about 55 million users of the Opera Mini browser.