DISCLAIMER: There is no guarantee that I know what I am talking about. Use
at your own risk.
Things I have cooked up for Richard Gooch's mailutils. Thanks Richard!
This patch adds the COPY action to milter-regexp, tweaks to compilation, better debugging output, more case insensitivity.
This older better tested patch and its corresponding mailutils version.
This newer currently untested patch and its corresponding mailutils version.