[Exim] Recurring e-mail

Hi


I have a user who is using Outlook with Microsoft's Office Xp. Anyway, he
has it set up to leave the mail on the server for 10 days and then the
Outlook application deletes it. What is happening is the e-mail's aren't
being marked as read, so he gets the same e-mails, over and over. It doesn't
seem to happen with every e-mail and it seems to happen every once and a
while. What do you think?

Thanks
Kevin...