jim3975 wrote:

Actually what I think is that
the problems is/was, is that I have two Personal Folders directories
(presumably because of importing a second .pst file) and that I made
the original rule based on an existing mail that was in my second
Personal Folders. Outlook seems to 'think' that this is a different
computer.

Entirely possible because the name of the computer on which the PST was
created can be stored in the PST for certain data in the PST (like rules).
Never import from a PST. There's no reason, it loses data, and can corrupt
your mail profile.
--
Brian Tillman