Kerio says it is bringing MailServer to hardware running Parallels' Mac virtualization software. With MailServer Virtual Appliance, Kerio uses a preconfigured version of CentOS 5.3 Linux as the core operating system, packaged specifically for Parallels. The software can run on any Intel-powered Apple system, including the Xserve and Mac Pro, as long as they are also utilizing Mac OS X Leopard Serv
