Debian Linux doesn’t usually make many headlines about commercial software products. But the open source operating system is part of the latest anti-spam and anti-virus platform from Proxmox Server Solutions, which was released this week.

In contrast to Linux distributions like Red Hat (RHT) Enterprise Linux and Canonical‘s Ubuntu, which cater to the business and government worlds (among others, in Ubuntu’s case), Debian is mostly a community-based distribution.

In fact, Debian—which, incidentally, names its releases after Toy Story characters—is one of the oldest Linux-based operating system. And because it comes in different flavors—”testing,” “stable” and “unstable”—designed for different use cases, it’s a popular platform for Linux enthusiasts, as well as for organizations seeking to spin it off into their own distributions—which Canonical does, using Debian as the basis for Ubuntu.

The community focus of Debian notwithstanding, Proxmox chose it to power Proxmox Mail Gateway Version 4.0, which was released Jan. 20. The product is based on Debian Wheezy 7.8, and also provides the ClamAV and Cyren‘s Zero-Hour Virus Outbreak Protection for anti-spam and anti-virus protection.

Mail Gateway, which Proxmox first released about 10 years ago, also integrates with qemu/KVM, VMware (VMW) and Hyper-V virtualization platforms to run as a virtual appliance. It works on bare metal, too.

Mail Gateway 4.0 is available for download now.