The good people at Kerio have been kind enough to distribute their mail server software bundled into a CentOS installation on a Virtual Machine. You can just snap it into Fusion very easily, if you want to take the Kerio Mail Server (KMS) for a ride. I can’t say I would recommend running it full time in Fusion on Mac hardware though, you might be better served installing the package installer that Kerio distributes in that case.. There is a second nice thing about the VM in that it does most of the work in setting up Kerio for you. When you download and run the VM, it immediately fires…