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

"Murray S. Kucherawy" <superuser@gmail.com> Tue, 14 May 2013 16:58 UTC

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Date: Tue, 14 May 2013 09:57:58 -0700
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From: "Murray S. Kucherawy" <superuser@gmail.com>
To: Alexey Melnikov <alexey.melnikov@isode.com>
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Subject: Re: [apps-discuss] WGLC on draft-ietf-appsawg-rfc5451bis-00
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On Tue, May 14, 2013 at 9:36 AM, Alexey Melnikov
<alexey.melnikov@isode.com>wrote;wrote:

> 2.5.5.  Extension Result Codes
>>
>>    Additional result codes (extension results) might be defined in the
>>    future by later revisions or extensions to this specification.
>>    Result codes MUST be registered with the Internet Assigned Numbers
>>    Authority (IANA) and preferably published in an RFC.  See Section 6
>>    for further details.
>>
>>    Extension results MUST only be used within ADMDs that have explicitly
>>    consented to use them.  These results and the parameters associated
>>    with them are not formally documented.  Therefore, they are subject
>>    to change at any time and not suitable for production use.  Any MTA,
>>    MUA or downstream filter intended for production use SHOULD ignore or
>>    delete any Authentication-Results header field that includes an
>>    extension result.
>>
>> I am mostly curious to see some examples of such extensions.
>>
>
> You could make one up and imagine using it.  Barry likes "banana", so:
>
> Authentication-Results: your.example.com; banana=foobar
>
>
> Ok. Are there many of these in the wild?
>
> There is no way to know for sure, of course.  Most of the ones I know that
were being tried have since been registered, so I don't personally know of
any that fit in the description of 2.5.5 anymore.