Re: Microsoft takes over British Telecom

Many thanks to all who responded to my query.   I thought I could see what was
happening but did not want to believe it - I would have expected to have heard
something about this (which started over three weeks ago) in the general or
specialist press, or even direct from my ISP - but ....

Tom Petch

----- Original Message -----
From: "Steve Atkins" <[email protected]>
To: "Anti-Spam Research Group - IRTF" <[email protected]>
Sent: Friday, October 21, 2011 7:07 PM
Subject: Re: [Asrg] Microsoft takes over British Telecom


>
> On Oct 21, 2011, at 8:41 AM, t.petch wrote:
>
> > Well, I would prefer an alternative explanation, for why all my IRTF (and
IETF)
> > e-mail now shows 'SPF fail' because it has come to my ISP (British Telecom)
from
> > 157.55.224.141,
> > and ARIN WHOIS lists 157.55.224.141 as an address allocated to Microsoft,
which
> > is not listed as a permitted sender for irtf.org.
>
> BT have outsourced their email handling (for btconnect.com) to Microsoft, and
> SPF is being checked at an inappropriate point in the internal handoff.
>
> The bigger issue is that you shouldn't care about SPF failing. An SPF pass
> provides somewhat useful data, an SPF fail means absolutely nothing.
>
> Cheers,
>   Steve
>
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>