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Microsoft O365 labels nanog potential fraud?

Subject: Microsoft O365 labels nanog potential fraud?
From: bill at herrin.us (William Herrin)
Date: Wed, 29 Mar 2017 11:32:35 -0400
In-reply-to: <[email protected]>
References: <[email protected]> <[email protected]> <CAP-guGXTzeAv3YYgv03gzyrRrrNzf2m1eNhA4EG16=x9T=133A@mail.gmail.com> <[email protected]>

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/>

Follow-Ups:
- Microsoft O365 labels nanog potential fraud?
  - From: daknob.mac at gmail.com (DaKnOb)
- Microsoft O365 labels nanog potential fraud?
  - From: carl at five-ten-sg.com (Carl Byington)

References:
- Microsoft O365 labels nanog potential fraud?
  - From: mel at beckman.org (Mel Beckman)
- Microsoft O365 labels nanog potential fraud?
  - From: daknob.mac at gmail.com (DaKnOb)
- Microsoft O365 labels nanog potential fraud?
  - From: bill at herrin.us (William Herrin)
- Microsoft O365 labels nanog potential fraud?
  - From: gtaylor at tnetconsulting.net (Grant Taylor)

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