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Re: [ietf-dkim] [dmarc-ietf] a slightly less kludge alternative to draft-kucherawy-dmarc-rcpts

"John R. Levine" <johnl@iecc.com> Sat, 19 November 2016 14:23 UTC

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Date: Sat, 19 Nov 2016 09:22:10 -0500
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From: "John R. Levine" <johnl@iecc.com>
To: Michael Storz <Michael.Storz@lrz.de>
In-Reply-To: <b92d042d6be905ffd4bc43ea510571c2@xmail.mwn.de>
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Cc: Ietf Dkim <ietf-dkim@mipassoc.org>
Subject: Re: [ietf-dkim] [dmarc-ietf] a slightly less kludge alternative to draft-kucherawy-dmarc-rcpts
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> The negative side of the proposal is the requirement to split all 
> multi-recipient-emails to single-recipient-emails, which is a show stopper 
> for me.

I'm with Murray -- why is this a problem?  Single recipient has been the 
de-facto standard for years, and unless you are extremely bandwidth 
constrained, it's faster.

  But I don't think this requirement is needed. I would allow a list of 
> recipients and have a paragraph which states ...

See previous discussion.  We rejected multi-recipient signatures because 
of the bcc recipipient leakage.

Regards,
John Levine, johnl@iecc.com, Primary Perpetrator of "The Internet for Dummies",
Please consider the environment before reading this e-mail. https://jl.ly
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