On 21 Feb 2022, Tommi Koivula said the following...
 
 TK> All I did was to add these lines:
 TK> 
 TK> read UTF-8      utf-8
 TK> post utf-8      UTF-8
 TK> 
 TK> 
 TK> Which Thunderbird are you using? The newest TB seems to always post
 TK> messages in utf-8. Annoying...

    Thanks, I will give it a try. 

    Exactly. That started to happen after the latest TB upgrade for Mac. 

    I checked other news clients and it worked fine...

... Top secret! Burn before reading!

--- Mystic BBS v1.12 A47 2021/12/25 (macOS/64)