On Feb 14, 2012, at 6:21 PM, James Devine wrote:
My fear is that the garbage collection from one or more webmail machines is somehow stomping over active sessions
I don't think that is the actual issue if your cluster members have time in sync, since session functions use this SQLs (program/include/rcube_session.php):
Our problem is that cached information (cache_messages, etc) does not get purged automatically, but I don't know what is the deal about that.
LP, Jernej