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Re: [spfbis] Last Call: <draft-ietf-spfbis-4408bis-19.txt> (Sender Policy Framework (SPF) for Authorizing Use of Domains in Email, Version 1) to Proposed Standard

"John R Levine" <johnl@taugh.com> Mon, 19 August 2013 19:59 UTC

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Date: Mon, 19 Aug 2013 15:59:50 -0400
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From: John R Levine <johnl@taugh.com>
To: Måns Nilsson <mansaxel@besserwisser.org>
Subject: Re: [spfbis] Last Call: <draft-ietf-spfbis-4408bis-19.txt> (Sender Policy Framework (SPF) for Authorizing Use of Domains in Email, Version 1) to Proposed Standard
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References: <20130819150521.GB21088@besserwisser.org> <20130819160549.61542.qmail@joyce.lan> <20130819190533.GA30516@besserwisser.org>
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>>> * The charter disallows major protocol changes -- removing the SPF RR type
>>> is a direct charter violation; since SPF is being used on the Internet. ...

The SPF working group discussed this issue at painful, extensive length.

As you saw when you read the WG archives, there is a significant interop 
bug in rfc 4408 in the handling of SPF and TXT records, which (again after 
painful and extension discussion) we decided the least bad fix was to get 
rid of SPF records.  I don't see anything in your note about how else you 
think we should address the interop bug.

In your case it doesn't matter, since your TXT and SPF records make no 
usable assertions, but a lot of people use SPF right now as part of their 
mail stream management.

R's,
John

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