The JetStream technology, which leverages the VMware IO Filter API, has its roots in a company called FlashSoft, which was acquired by SanDisk, was part of the WD acquisition of SanDisk, and has now been spun out into a focused software company.
The Canadian acquisition is the first step in an AppRiver strategy to expand its presence further beyond the U.S, but it’s not purely about acquiring customers, as some of Roaring Penguin’s anti-spam technology will be integrated into AppRiver’s own offering.