"Zimbra calls itself a 'leader in open source messaging and
collaboration,' but does it live up to the name? I spent some time
evaluating the suite, and while Zimbra isn't perfect, it's a decent
collaboration suite that is well worth looking at if you don't
already have something in place.
"Zimbra is available in three configurations: an Open Source
edition, Network Standard edition, and Network Professional
edition. The freebie version is missing several features that you'd
want for professional deployment: Outlook synchronization, mobile
synchronization, backup features, clustering features, and
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