I'm trying to find some info on if/how this is possible. We have two different physical locations w/ different users and what we want to know is if each site has its own zimbra server/install is it possible to have the two of them interconnect so they seem to be on the same server (ability to schedule meetings, share resources/documents/etc)? I'm looking around the admin app but not seeing anything off hand that leads me to believe this sort of thing is possible.