29 Mar
2017
29 Mar
'17
3:32 p.m.
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 ................ herrin@dirtside.com bill@herrin.us Dirtside Systems ......... Web: <http://www.dirtside.com/>