Opera acquired FastMail.fm which is an Australian company providing email solutions.  "FastMail provides one of the most secure and reliable email environments in the industry. Rock Solid Reliability. More safety."

Opera aquired FastMail.Fm - an Australian company which offers some of the most advanced Web-based e-mail platforms for consumers and small business customers and has been lauded for its approach to security, focus on innovation, and support for open, interoperable standards.

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Here you can read an FAQ about the acquisition