[Mimedefang] filter based on From/To headers?

[Kevin A. McGrail]

2001-06-30  David F. Skoll  <dfs at roaringpenguin.com>

        * mimedefang.c (header): Removed embedded newlines and carriage
        returns so all headers in the HEADERS file are guaranteed to
        exist on a single line.  (Makes parsing headers from Perl easier.)
        (header): Earlier closing of file descriptors to conserve them.

 > One caveat:  I believe it is possible for the To header to contain
multiple