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

[Eli Zaretskii]

> From: 積丹尼 Dan Jacobson <jidanni@jidanni.org>
> Cc: pieter-l@vanoostrum.org,  rms@gnu.org,  michael_heerdegen@web.de,  
> 38818@debbugs.gnu.org, larsi@gnus.org
> 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 <jidanni@jidanni.org>
>       ^^^^^^^^^^^

Why do you think this arrives intact to people's MUA?