"A scalable, stable, secure software stack for small and medium-sized business network services is hard to develop in-house or integrate from piecemeal components. To integrate it all with a single sign-on for users requires even more work. Enter Novell's new SUSE Linux-based OpenExchange, a packaged, full-featured, secure, all-encompassing operating environment.
"At SUSE Linux Openexchange Server's most basic level you'll find the UnitedLinux 2.4.19-64GB-SMP Linux kernel, which is old but time-tested, stable, scalable, and reliable. It held up under our stress-testing, running four instances of SETI@home while loading four years' worth of email into IMAP without even slowing down the Web-based interface under load..."