On Mon, May 17, 2021, 11:50 Jacob Lifshay <programmerjake at gmail.com> wrote: > Also, we should spend some time looking for a libre alternative, iirc > recaptcha is not libre software. > Found: https://www.ralfj.de/blog/2018/06/02/mailman-subscription-spam.html Summary: use SUBSCRIBE_FORM_SECRET Jacob >