“Spurred by customer demand, Zimbra has completed a version of
its open-source calendar and e-mail server software for Canonical’s
Ubuntu version of Linux.“Zimbra offers two versions of its server software, the free
Open-Source Edition and the certified, supported and fuller-feature
derivative called the Network Edition for paying customers. The
Network Edition previously was available just for Red Hat’s Linux,
Novell’s Suse Linux and Mac OS X, but now the company has added
Ubuntu to the list…”