When I initially set up a Zimbra account with the connector, it apparently begins to download a complete copy of my Zimbra mailbox, which is pretty much enormous (~28k messages in many folders). All the folders appear as empty until this download is complete, after which everything shows up. There are no options in the connector settings to disable/enable this (or any other behavior, really), so I can't tell if there is something set wrong or if this is proper default behavior. If it's not correct, where might the setting be to turn it off?
If it is correct, then _why_? Aside from the fact that this will automatically eat ~1GB+ of disk space on the client system, it also circumvents the entire point of keeping mail only on the server, which could be considered a real security problem.
The directory that grows large on my system is here (~850MB):
C:\Documents and Settings\<username>\Local Settings\Application Data\Microsoft\Outlook
The same directory when testing out Exchange or Groupwise in non-caching mode against a mailbox with identical contents is ~ 1MB.
ZCS NE 4.5.7 running Ubuntu
Outlook 2003 SP2 running on Windows XP SP2