Google Pays $625 Million for Email Security Company

Google bought Postini Inc. - the San Carlos, California-based email security company - for $625 million, according to a Bloomberg report today.

The purchase strengthens Google's ability to compete with Microsoft's Outlook product and allow them to market email services to businesses.

``This brings Gmail up to enterprise class, embedding the security,'' said Peter Firstbrook, a research director at Stamford, Connecticut-based Gartner Inc.