Re: SMTP RFC: "MUST NOT" change or delete Received header

Randy Bush <randy@psg.com> Sun, 30 March 2014 23:43 UTC

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Date: Mon, 31 Mar 2014 08:43:51 +0900
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From: Randy Bush <randy@psg.com>
To: Phillip Hallam-Baker <hallam@gmail.com>
Subject: Re: SMTP RFC: "MUST NOT" change or delete Received header
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> Debugging is not a justification for MUST.

do tell me where that is enshrined so the ietf ops community can go have
it fixed.

randy