I've setup Zimbra and migrated all of my users mail over to the new server. Everything seems fine except for one minor detail. I have a user that is not able to see new messages in his inbox. I have looked in the logs and I see that messages are delivered ok, but when I try viewing his inbox with the web client or with outlook nothing is there. The really weird part is that if I search for the message I will find it

Do I need to rebuild his mailbox or something like that? Any help would be appreciated.