mail.retr recupera strange = 20 caracteres quando o corpo de E-mail tem caracteres chineses nele

    self.logger.info(msg)
    popinstance=poplib.POP3(self.account[0])
    self.logger.info(popinstance.getwelcome())
    popinstance.user(self.account[1])
    popinstance.pass_(self.account[2])
    try:
        (numMsgs, totalSize)=popinstance.stat()
        self.logger.info("POP contains " + str(numMsgs) + " emails")
        for thisNum in xrange(1, numMsgs + 1):
            try:
                (server_msg, body, octets)=popinstance.retr(thisNum)
            except:
                self.logger.error("Could not download email")
                raise
            text="\n".join(body)
            mesg=StringIO.StringIO(text)
            msg=rfc822.Message(mesg)
            MessageID=email.Utils.parseaddr(msg["Message-ID"])[1]
            self.logger.info("downloading email " + MessageID)
            emailpath=os.path.join(self._emailpath + self._inboxfolder + "\\" + self._sanitize_string(MessageID  + ".eml"))
            emailpath=self._replace_whitespace(emailpath)
            try:
                self._dual_dump(text,emailpath)
            except:
                pass
            self.logger.info(popinstance.dele(thisNum))
    finally:
        self.logger.info(popinstance.quit())

(server_msg, body, octets)=popinstance.o retr (thisNum) devolve =20 no corpo do E-mail quando o e-mail contém caracteres chineses.

texto bruto do E-mail:

assunto: (B / L: 4363-0192-809.015) SI para 15680XXXXX436

=20

querida

=20

SI INCLUÍDO

PLS ENVIA-NOS A NOTA DE BL DRAFT E DÉBITO

=20

TKS

=20

----- Mensagem Original - - - - - - = 20