Subject: no-crypto-complex
From: Alice <[email-masked]>
To: Bob <[email-masked]>
Date: Sat, 20 Feb 2021 12:00:02 -0500

This is the
no-crypto-complex
message.

This message uses no cryptographic protection at all.  Its Body
is a multipart/alternative message with an inline image/png
attachment.

--
Alice
[email-masked]