On Mon, 01 Dec 2014 23:03:36 +0100
Sascha Mester <my-debian-mails@???> wrote:

Hi

> Indeed.

You can replace the Reply-to Header in your .procmailrc.

:0 fw
* ^List-Id:.*TheMailinglistID.*
| formail -I 'Reply-To: <ReplyToAddresss>'

Daniel