I have posted over and over that this issue is not just Outlook or MS
related. I have the same issue with headers and footers regardless of
what email client is used. I have 2.1.2 on a freebsd 4.7 machine with
sendmail. My mac users send to the list, Eudora users, outlook and all
I have tried.
To allow a Mail-client to Thread email, it puts a special header line in
the email. When a similar Mail-client responds, it recognizes the
special header and maintains that special header in any response.
Sometimes a Mail-client adds it's own header that specifically says: In
response to
