[CentOS] Re: MS Exchange Replacement

>I use Zimbra OS Edition with more than 300 users, Ajax and HTML capable and very easy to setup. Looks >professional in terms of interface. Good community too. The only problem is that it was bought by Yahoo >which is planning to buy by M$, but since OS version was GPL, then I assume that the project will continue >even after acquired by M$. Maybe.

I was hoping for Mobile support which it looks like the OS version of Zimbra doesn't have. Regardless, I should have been more clear in that I am not concerned about GPL compliancy but meant free when I said open source.

Thanks for all the suggestions everyone!
jlc