Subject: bug#38818: jidanni's mail headers not perfect?!

From: 積丹尼 Dan Jacobson <[email-masked]>
Date: Mon, 06 Jan 2020 03:09:33 +0800

EZ> it claims to be text/plain and doesn't state any charset, but comes with a non-ASCII name.

Naw....

From: =?utf-8?B?56mN5Li55bC8?= Dan Jacobson <[email-masked]>
      ^^^^^^^^^^^
is all one needs.
Content-Type: text/plain
is discussing the body, not the header.