LOTUS INOTES
Additionally, if users have elected to refresh the Inbox automatically by setting a Mail - General preference, the unread count for system folders (Inbox, Junk) updates automatically when new mail arrives. However, unread mail that is moved to a folder as a result of a mail rule does not increment the unread count for the designated folder.
You set up the unread count feature by creating or editing a Mail policy settings document and completing the following fields on the Lotus iNotes configuration tab: