Microsoft O365 labels nanog potential fraud?

Wed Mar 29 15:32:35 UTC 2017

On Wed, Mar 29, 2017 at 11:25 AM, Grant Taylor via NANOG <nanog at 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 at dirtside.com  bill at herrin.us
Dirtside Systems ......... Web: <http://www.dirtside.com/>