[Inkscape-board] Re: test

For now I added two lines like return HttpResponse("You are not allowed to send to our lists from the web interface.", content_type="text/plain", status=403) # added by Mc (Marc Jeanmougin, Inkscape) on 2019-12-18

to /var/lib/mailman/venv3/lib/python3.5/site-packages/hyperkitty/views/message.py but it does not appear to work