On Mon, Mar 14 2022, Robert Pluim wrote:

>     Peter> "Peter =?utf-8?Q?M=C3=BCnster=22?=
>     Peter>  <pm@a16n.net>
>
>     Peter> This seems to be wrong, because Postfix tries to "fix" it.
>
> The encoding is correct,

Sure? After Lars's commit, it works.


> but itʼs the encoding of
>
> "Peter Münster" <pm@a16n.net>

Yes, indeed.


> whilst the From is the encoding of
>
> Peter Münster <pm@a16n.net>

I don't know.

In the message buffer it's always "Peter Münster" <pm@a16n.net>
for the From: field and the Disposition-Notification-To: field.

> How are you generating Disposition-Notification-To?

With:

C-c M-n runs the command message-insert-disposition-notification-to

-- 
           Peter