I am not answering your question, sorry. But there is an error in the second Czech sentence, it should be 
S p0XC50X990XC30XA1telsk0XC30XBDmi pozdravy,

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In reply to Re: UTF-8 Email - German, Swedish Ok...Polish,Czech fails by choroba
in thread UTF-8 Email - German, Swedish Ok...Polish,Czech fails by MonkeyMonk

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