if you are an iphone user, could you help me by making a small test.
Conditions : Zimbra version 5.0.9NE or over
Iphone latest firware (2.2)
Using zimbra, create a recurring appointment, that repeat every day for 3 days
(select a date fro the last meeting, do not put a number of meetings).
Sync your iphone. What do you have on your iphone calendar ?