Drop-In Replacement For Exchange Now Open Source
Fjan11 writes "Over 150 man-years of work were added to the Open Source community today when Zarafa decided to put their successful Exchange server replacement under GPLv3. This is not just the typical mail-server-that-works-with-Outlook, it is the whole package — including 100% MAPI, web access, tasks, iCal and Activesync. (The native syncing works great with my iPhone!) Binaries and source are available for all major Linux distros."
Well, there are some of us who work at mom & pop software shops that do have a clatch of intelligent developers on site but don't have a huge budget to buy an email solution.... and we're a lot more than 0.0000001% of all companies.
That's a nice long explanatory answer... for the first question! ;). Do you have an answer for the 2nd?
I might even add... do you have suggestions?
I have already checked out a few of 'em (not necessarily OSS):
...of which many of them have a great potential, but I always end up having some trouble somewhere or find 'em not user-friendly/admin-friendly enough.