[ietf-dkim] RFC4871bis - whether to drop -- z: Copied header fields

Folks,


In:

   <http://mipassoc.org/pipermail/ietf-dkim/2009q2/011959.html>

Steve Atkins posted a list of suggested DKIM features to drop.

This note is intended to anchor a discussion thread for discusses one of those
features, namely:


>    DKIM-Signature Header tags
>      z: Copied header fields
>
> Has this been useful? Is it likely to remain useful beyond a testing  
> phase?

Please discuss arguments for and against dropping this.

d/
-- 

   Dave Crocker
   Brandenburg InternetWorking
   bbiw.net

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