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.
Any ideas?
Tom Petch
<snip>
Received-SPF: fail (mail9-am1: domain of irtf.org does not designate
157.55.224.141 as permitted sender) client-ip=157.55.224.141;
envelope-from=asrg-bounces(_at_)irtf(_dot_)org;
helo=DB3PRD0702HT003.eurprd07.prod.outlook.com ;.outlook.com ;
Received: from mail9-am1 (localhost.localdomain [127.0.0.1]) by mail9-am1
(MessageSwitch) id 1318964619898891_21731; Tue, 18 Oct 2011 19:03:39 +0000
(UTC)
Received: from AM1EHSMHS011.bigfish.com (unknown [10.3.201.252]) by
mail9-am1.bigfish.com (Postfix) with ESMTP id D38CC1150054 for
<ietfa(_at_)btconnect(_dot_)com>; Tue, 18 Oct 2011 19:03:39 +0000 (UTC)
Received: from DB3PRD0702HT003.eurprd07.prod.outlook.com (157.55.224.141) by
AM1EHSMHS011.bigfish.com (10.3.207.111) with Microsoft SMTP Server (TLS) id
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Received: from mail64-va3 (localhost.localdomain [127.0.0.1]) by
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X-FB-SS: 13,
Received: from mail64-va3 (localhost.localdomain [127.0.0.1]) by mail64-va3
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mail64-va3.bigfish.com (Postfix) with ESMTP id 7505A1640051 for
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Received: from mail.ietf.org (12.22.58.30) by VA3EHSMHS029.bigfish.com
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DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=ietf.org; s=ietf1;
<snip>
X-Original-To: asrg(_at_)ietfa(_dot_)amsl(_dot_)com
Delivered-To: asrg(_at_)ietfa(_dot_)amsl(_dot_)com
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