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Re: [Emailcore] Ticket #8: Need a registry of header fields that are Ok to add after submission

John Levine <johnl@taugh.com> Thu, 05 August 2021 19:59 UTC

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From: John Levine <johnl@taugh.com>
To: emailcore@ietf.org
Cc: aamelnikov@fastmail.fm
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Archived-At: <https://mailarchive.ietf.org/arch/msg/emailcore/nfs35WANRAR0Kl8uBl5jvjBNlX4>
Subject: Re: [Emailcore] Ticket #8: Need a registry of header fields that are Ok to add after submission
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It appears that Alexey Melnikov  <aamelnikov@fastmail.fm> said:
>> Your (3) actually brings up an additional point - it's arguably more
>> important to note whether or not a given field is a trace field in the 
>> registry than it is to document where it's supposed to be inserted. Right
>> now tracking down all the trace fields is a real PITA.
>
>Right. I am happy to see if we can get consensus around (3), irrespective of which document includes it. After that we can decide on the document.

Sounds good to me.

My inclination is to update RFC 3864 and add "mail trace" as a value in the Protocol column
of the existing Message Headers registry.

R's,
John

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