Outlook 2003 - Message settings not working when sending mail

[conversationpc]

We have a small office of just six users who are all on Office 2003. When
the Message settings on a message are set to an Importance of Low or High,
the recipient gets the message with a Normal Importance. The same thing is
happening with the sensitivity settings.

However, when using my personal laptop, these settings work on both sending
and receiving, using the same network connection as the machines in the
office.

Any ideas?