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Re: [apps-discuss] WGLC on draft-ietf-appsawg-rfc5451bis-00

"Murray S. Kucherawy" <superuser@gmail.com> Tue, 07 May 2013 23:03 UTC

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Date: Tue, 07 May 2013 16:03:51 -0700
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From: "Murray S. Kucherawy" <superuser@gmail.com>
To: Scott Kitterman <scott@kitterman.com>
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Cc: IETF Apps Discuss <apps-discuss@ietf.org>
Subject: Re: [apps-discuss] WGLC on draft-ietf-appsawg-rfc5451bis-00
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On Tue, May 7, 2013 at 4:01 PM, Scott Kitterman <scott@kitterman.com> wrote:

> Trying to deconstruct an SPF record and make judgments based on it's
> internal
> structure is 'bad'.  All you can take is the SPF result.  If someone
> publishes
> v=spf +1, then it's 'pass'.  That's all you know.  There are enough other
> ways
> to make a functionally equivalent record that it's not worth worrying
> about.
>
>
>
I think the point is that "+all" is a possible example where local policy
at the receiver/verifier might be to downgrade an SPF "pass" to something
less positive.  All of that is true, but I would prefer to be generic in
making the facility available and letting receivers figure out what things
warrant such treatment.

-MSK

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