We currently run Exchange 5.5 server, with IIs 4.
We get an error when you open a mail item and try to do a reply
"failed to open this item, your item does not exist in this folder, it may
have been deleted"
If you create a new mail message and type the email address in sad then send
the new message it works fine.
I have investigated the Microsoft site for this but there seems to be
Any ideas, please