I ment the history of Internet explorer (your browser?) and not your outlook express.
So keep your e-mails. I do that to. It is fun to read them again.
B just told me he has changed some of the settings in our firewall, and now everything seems to be working. We now allow private headers and session cookies. We're not sure which one of those are responsible for the change in the read/unread flags, but it's one (or both?) of them for sure. Maybe that's the solution?