gk> Sound like sending UTF8 TO the BBS is not working 
 gk> or still expected CP437. As when I switch my UTF8 session to 
 gk> to CP437 the chars working instantly (but as well well the rest is ugly
 gk> as BBS sending in UTF8.

Yes this is currently broken.  I am planning to reamp and fix this after the A49 release which will hopefully be soon.

Sorry for the inconvenience

... My reality check just bounced

--- Mystic BBS v1.12 A49 2023/04/30 (Windows/64)