out.write(13); out.write(10); getDataHandler().writeTo(out);
out.write('\r'); out.write('\n');  getDataHandler().writeTo(MimeUtility.encode(out, getEncoding()));
    public void writeTo(OutputStream out) throws IOException, MessagingException {        headers.writeTo(out, null);        out.write(13);        out.write(10);        getDataHandler().writeTo(out);    }