Re: [Shutup] [ietf-smtp] Proposed Charter for the "SMTP Headers Unhealthy To User Privacy" WG (fwd)

Tony Finch <dot@dotat.at> Tue, 01 December 2015 14:05 UTC

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Date: Tue, 1 Dec 2015 14:05:48 +0000
From: Tony Finch <dot@dotat.at>
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To: Ted Lemon <mellon@fugue.com>
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Subject: Re: [Shutup] [ietf-smtp] Proposed Charter for the "SMTP Headers Unhealthy To User Privacy" WG (fwd)
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Ted Lemon <mellon@fugue.com> wrote:
> Monday, Nov 30, 2015 6:02 PM Dave Crocker wrote:
> > On 11/30/2015 2:51 PM, Ted Lemon wrote:

> >> Why would I be relaying mail on?  Only for a mailing list.
> >
> > The most obvious is mailbox aliasing, such as for vanity addresses such
> > as university alumni associations provide.
>
> That's a mailing list with one subscriber.   Same scenario.

Not really. Mailing lists have very different administrative behaviour to
aliases - they change the return path to an administrative address when
forwarding the message whereas aliases do not. RFC 5321 section 3.9.

Tony.
-- 
f.anthony.n.finch  <dot@dotat.at>  http://dotat.at/
South Biscay, Southeast Fitzroy: Variable 4, becoming southerly 4 or 5.
Moderate or rough. Fair. Good.