On Wed, Mar 29, 2017 at 11:25 AM, Grant Taylor via NANOG <nanog@nanog.org> wrote:
> Every SPF implementation I've seen has checked the SMTP envelope FROM > address /and/ the RFC 822 From: header address. > Hi Grant, The gold standard, Spamassassin, does not. Indeed, the message to which I reply was scored by spam assassin as "SPF_PASS" even though you do not include NANOG's servers in the SPF record for tnetconsulting.net. Regards, Bill Herrin -- William Herrin ................ her...@dirtside.com b...@herrin.us Dirtside Systems ......... Web: <http://www.dirtside.com/>
