"Talk about not playing favorites. The messaging server from U.K.-based Gordano Ltd., called GMS v.10, plays with proprietary and open source operating systems alike. Windows, Linux, Unix, AIX, it doesn't matter--Gordano is platform independent.
"Gordano director John Stanners puts forth some impressive figures when he touts his company's product: the fact that it works with any OS, that it can be set up on a Linux box in 15 minutes or less and that it can migrate a client's e-mail platform from Microsoft Exchange to the Gordano Messaging Server (GMS) in about a minute..."