[Playground] testing with Martin's patch

[DIG]

Hi, Barry A. Warsaw !

I try to send test KOI8-R encoded message to this list, and I finished with this error message:

   ----- The following addresses had permanent fatal errors -----               
<playground@python.org>                                                         
    (reason: 550 banned charset in subject: KOI8-R)                             
                                                                                
   ----- Transcript of session follows -----                                    
... while talking to mail.python.org.:                                          
>>> DATA                                                                        
<<< 550 banned charset in subject: KOI8-R                                       
554 5.0.0 Service unavailable                                                   

Could you please tell me what does it mean ?
What charset should I use for KOI8-R encoded message ?


Best regards,

-- 
DIG (Dmitri I GOULIAEV)