From mboxrd@z Thu Jan  1 00:00:00 1970
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From: dexen deVries <dexen.devries@gmail.com>
Date: Fri, 30 Nov 2018 11:59:57 +0100
Message-ID: <CAJUT6o562jRHoEs3c5249zB0SySdw0KX_a8HQYnbc4uGidyXXg@mail.gmail.com>
To: Fans of the OS Plan 9 from Bell Labs <9fans@9fans.net>
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Subject: [9fans] Upas and Message-ID?
Topicbox-Message-UUID: f000af14-ead9-11e9-9d60-3106f5b1d025

by chance found[1] the following passage:
>(...) and the Bell Labs upas mailer never creates Message-ID.
out of curiosity, any particular rationale behind that?

[1] https://cr.yp.to/immhf/thread.html