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Re: [ietf-smtp] what's not a trace field

"John R. Levine" <johnl@iecc.com> Wed, 17 February 2021 20:13 UTC

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Date: Wed, 17 Feb 2021 15:13:34 -0500
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From: "John R. Levine" <johnl@iecc.com>
To: Ned Freed <ned.freed@mrochek.com>, Dave Crocker <dhc@dcrocker.net>
Cc: ietf-smtp@ietf.org
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Subject: Re: [ietf-smtp] what's not a trace field
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> By calling it a trace field, you establish the necessary requirements. Yes, > the
> underlying documents have issues, but they are clear enough. And "trace > field"
> is a term that most implementors understand.
>
> That said, making the actual requirements explicit would be even better. You
> can easily do that by referring to section 4.4 in RFC 5321 and saying that it
> all now applies to the combination of Received: and Delivered-to:
>
> I would prefer to do that *and* call Delivered-to: what it is: A trace field.

Yup.

At some point we need to fix the 5322 trace field ABNF but emailcore is 
down the hall from here.

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

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