Commtouch (NASDAQ: CTCH) developed Internet-based e-mail that it distributed through OEM agreements to business customers and that it supplied free to consumers via Internet Service Providers (ISP) and Web sites. Today, Commtouch safeguards the world's leading security companies and service providers with cloud-based Internet security services.

Exit: Commtouch completed an IPO on Nasdaq in July 1999 and raised $48M.