don't know this is already seen??

i use zarafa 6.20.6 with outlook 2007. use it on 2 computers. when i have a lot of mail on my laptop (cached) and come at home (pc, online)and delete several mail, returning to my laptop i start the laptop and outlook, new mail will come in even read as it should, only the mail i had on the laptop and deleted at home is still in my mail list, but on opening it says (kan het item niet openen. toegang geweigerd) can't open, access denied.
when i shut down outlook and start it again it fine again ( the mail is gone what was deleted)

anybody the same problem? (server suse sles 10)

BTW was already on earlier versions