Kerio provides safe, simple, and secure business productivity solutions to more than 60,000 businesses and millions of users ... globally. Our award-winning email, UTM/firewall, VoIP, and collaboration solutions are distributed through a network of more than 6,500 reseller partners. Kerio is a part of the GFI Software family. Kerio is a Microsoft Gold Certified Partner, a member of CalConnect, a calendaring and scheduling consortium, and a member of the Mac Developer Program. read more