On 2024-05-02 at 07:53:15 UTC-0400 (Thu, 2 May 2024 12:53:15 +0100)
Tim Coote via Postfix-users <tim+postfix....@coote.org>
is rumored to have said:

What would have helped - and I’ve no idea how feasible this is - would be some tooling to pull out different versions of the message as they flow through the queues.

This can be done with a milter like MIMEDefang or MailMunge which let you do arbitrary things to messages at each step in the mail flow. I have used this to debug similar problems with signing and Sendmail's not-so-obvious mods to messages based on mailer flags.


--
Bill Cole
b...@scconsult.com or billc...@apache.org
(AKA @grumpybozo@toad.social and many *@billmail.scconsult.com addresses)
Not Currently Available For Hire
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