Hi!
I'm having the same problem... I verified that when using CrossOffice applications, the file created temporarily is almost immediatly removed, and so the file can't be opened! I guess this is a CrossOffice integration problem, as the problem doesn't occur with "native" KDE applications.
Is there any solution for may problem? Some way of saying "don't ever delete downloaded attachments", because /tmp is cleared when the machine boots , so no problem having attachments stored for a while!
Thanks in advance...
Marcos Bento