A big vote for Zimbra community edition here. Or you can also pay for
support.
Doesn't replace AD, but for groupware, works a treat.
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Kind Regards
Kyle
On 30-01-2014 14:32, Edwin Humphries wrote:
G'day all.
Some time ago I had a look at a Linux alternative to M$ Exchange - I
seem to recall that it had been started by HP, then handed over to
someone else. It was commercial software (paid) but a realistic
alternative to Exchange.
I have a client with 6 PCs using Outlook, who now needs an Exchange
SErver, and is willing to look at a Linux alternative, but I now can't
find the software i remember.
There seem to be several others, so I wonder: what does everybody
think is the best option (especially in terms of ease of installation
and configuration). The main goal is Outlook-based shared calendaring.
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