VMware Virtual Appliance

VMware lets you run another computer in your computer. A virtual appliance is a fully pre-installed and pre-configured application and operating system environment that runs on any standard x86 desktop or server in a self-contained, isolated environment known as a virtual machine.

Proxmox can run on the following VMware products

Download Proxmox Mail Gateway 2.1-2294 - VMware Virtual Appliance

See readme.txt for detailed instructions.