29 Nov
2017
29 Nov
'17
12:09 p.m.
On Wed, Nov 29, 2017 at 12:03 PM, Eric Kuhnke <eric.kuhnke@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 ................ herrin@dirtside.com bill@herrin.us Dirtside Systems ......... Web: <http://www.dirtside.com/>