I recently received this (not the first time) in Mail.app on MacOS 11.4:
On Jun 24, 2021, at 10:02, web host <[email protected]> wrote: "Head Geek (伟思ç��)" <[email protected]> wrote:
This is curious. I have everything on this end set to use UTF-8 output and to assume UTF-8 if the encoding header is missing. (Unless Apple changed it during an update as they sometimes do).
Why would the first two hanzi be rendered correctly and the third use ISOLatin1? Is it a bug I should report, and to which (Apple or web host)? It looks correct in the Sent folder. It also looks correct in the To: line of the headers on the same message that has the error in the body.
It has not happened in recent replies for other places, so it's unlikely to be an Apple bug. Yet if the encoding header is missing, odd that the headers are correctly rendered differently.