Bug in mailing lists; unfriendly to non-subscribers

[Bruno Wolff III]

On Wed, Jul 07, 2010 at 15:44:24 +0300,
  Felipe Contreras <felipe.contreras at gmail.com> wrote:
> 
> > Including plenty of people who explicitly ask not to be personally CCed,
> > yea, even to the point of putting such a request at the top of _every_
> > post they make.
> 
> *Some* nut-jobs might not like to be Cc'ed. You still have not
> explained *why* they wouldn't want that, and you still haven't
> provided any evidence that there are *plenty* of cases.

The proper way for people to do that is to use a mail-followup-to header
that doesn't include their email address.