What operating systems operating systems will WebGate work on?

Although the WebGate engine must run on a Windows 95, 98, ME, NT or 2000 system, pages can be sent from DOS, windows 3.x, OS/2, Mac's and even Unix stations, if they are networked to the WebGate system. In addition with the email or web front-ends, pages may be sent from anything that can do email or www.