[ietf-dkim] Role of Sender header as signing domain

Charles Lindsey chl at clerew.man.ac.uk
Tue Nov 28 04:48:43 PST 2006


On Mon, 27 Nov 2006 13:07:02 -0000, Stephen Farrell  
<stephen.farrell at cs.tcd.ie> wrote:

> Charles Lindsey wrote:
>> On Sat, 25 Nov 2006 06:25:27 -0000, Jim Fenton <fenton at cisco.com> wrote:
>>
>>> It's not entirely forgotten; section 2.3 of draft-allman-dkim-ssp-02  
>>> discusses multiple From addresses.  We thought about resolving the  
>>> ambiguity by (1) arbitrarily picking the first address in the From  
>>> header field, (2) picking the address in the Sender header field, or  
>>> (3) querying SSP for all addresses in the From header field, and  
>>> combining them somehow.  We picked (1), ...

>>  And there I think you picked the wrong one.
>
> Fair enough that you disagree, but the main point though is that
> the WG reached rough consensus.
>
>> I have seen sufficient comments from others to the effect that the  
>> Sender needs to be looked at in many situations that this matter  
>> probably ought to be reviewed (does that mean raising an Issue?).
>
> No. For base, Barry and I are using a scheme where re-opening a
> decided issue (which is what you'd presumably like in this case)
> requires N people supporting, for some informally defined, but
> increasing, value of N ....

That is fair comment, but there seem to be an awful lot of people still  
discussing the Role of Sender (and even List-ID and Return-Path) as  
possible signing domains.

OK, this is a petition for reopening this Issue. That gives 1 vote, but  
you will need lots more to take action. So I invite anyone else who  
supports this view to reply with a +1. If there is insufficient support,  
then I will shut up.

Here are a few examples of recent posts which seem to want to explore  
these alternatives:

John Glube		15 Nov 2006 14:33:54 -0500
Frank Ellerman	22 Nov 2006 21:24:52 +0100
Hector Santos	24 Nov 2006 09:17:46 -0500
Michael Thomas	24 Nov 2006 08:47:13 -0800
Douglas Otis	27 Nov 2006 14:20:53 -0800
Charles Lindsey	27 Nov 2006 12:53:47 -0000

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