On Sun, 28 Jul 2024 13:08:22 +0200 Walter Alejandro Iglesias wrote:
> Standards aside, I know that sending UTF-8 in the message body without
> including the Content-Type and Content-Transfer-Encoding headers affects
> how MUAs (e.g. Mutt) display the body.  What I don't know for sure yet
> is whether sending UTF-8 headers can "really" cause any problems,
> whether you're sending messages through servers that don't support the
> SMTPUTF8 extension or not.  So far I've sent test messages to the Gmail,
> Hotmail, and Yahoo accounts I have, and also to my hosting email server,
> and they don't seem to have any issues with this.  If anyone has
> experienced this problem with any mail server let me know, please.
>

I'll answer myself to this.  Anyone using other locale but UTF-8 will
see the wrong characters.