On Wed, Nov 29, 2017 at 12:03 PM, Eric Kuhnke <eric.kuh...@gmail.com> wrote:
> For those who operate public facing SMTPd that receive a large volume of > incoming traffic, and accordingly, a lot of spam... > > How much weight do you put on an incoming message, in terms of adding > additional score towards a possible value of spam, for total absence of > DKIM signature? > Zero. DKIM for mailing lists is a horribly broken design and legitimate mailing lists are second only to spam in quantity of SMTP transactions. Regards, Bill Herrin -- William Herrin ................ her...@dirtside.com b...@herrin.us Dirtside Systems ......... Web: <http://www.dirtside.com/>