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Re: [dmarc-ietf] [EXTERNAL] Re: Clarification of Subdomain Reporting

John R Levine <johnl@taugh.com> Fri, 11 December 2020 21:34 UTC

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Date: Fri, 11 Dec 2020 16:34:20 -0500
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From: John R Levine <johnl@taugh.com>
To: "Brotman, Alex" <Alex_Brotman@comcast.com>, "dmarc@ietf.org" <dmarc@ietf.org>
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Subject: Re: [dmarc-ietf] [EXTERNAL] Re: Clarification of Subdomain Reporting
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On Fri, 11 Dec 2020, Brotman, Alex wrote:
>> That's a somewhat incompatible change, so I'd want to be sure we agree that
>> it's a real problem that's worth changing the report format. I suppose if we do
>> we should encourage report consumers to be prepared for old and new formats.
>
> The goal was to clarify the language, without (to the best of our ability) changing the schema.  I'd welcome a other attempts at clarifications (if you believe mine introduces structural XML changes).

So it'd say yeah, we know the XML lets you put multiple header_from 
domains in the same report row, but please don't do that, send a separate 
report row for each header_from?

I suppose that could work.

R's,
John

>>    <xs:complexType name="IdentifierType">
>>      <xs:all>
>>        <!-- The envelope recipient domain. -->
>>        <xs:element name="envelope_to" type="xs:string"
>>                    minOccurs="0"/>
>>        <!-- The RFC5321.MailFrom domain. -->
>>        <xs:element name="envelope_from" type="xs:string"
>>                    minOccurs="1"/>
>> Old:
>>        <!-- The RFC5322.From domain. -->
>>        <xs:element name="header_from" type="xs:string"
>>                    minOccurs="1"/>
>>
>> New:
>>        <!-- The RFC5322.From domain. -->
>>        <xs:element name="header_from" type="xs:string"/>
>>
>>      </xs:all>
>>    </xs:complexType>
>

Regards,
John Levine, johnl@taugh.com, Taughannock Networks, Trumansburg NY
Please consider the environment before reading this e-mail. https://jl.ly

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