@StefanGries Ok, cool. +1 for the feedback. Interesting input! (maybe for a blog post about alternative mail clients for the mobile..?)
The Best Open Source Email & Collaboration Software
Since the 26th of Februari the Zarafa Collaboration Platform is available in both the Fedora 11, 12, 13 and EPEL repositories. For more information, see https://fedoraproject.org/wiki/Zarafa. Many thanks to Robert Scheck and Jeroen van Meeuwen for the packaging, reviewing and all feedback.