Resolve the Great Reply-To Debate once and for all, by making Reply-To munging a per-subscriber preference.  That is, Mailman would allow each subscriber to control whether, for each post that subscriber receives, Mailman sets Reply-to to the list or leaves Reply-to untouched.  The default would be "untouched".

The usual references on this topic:

MailmanWiki: DEV/ReplyTo (last edited 2015-03-03 17:32:59 by msapiro)