synchronized   public   static   void  sendMail(String to,String fileName, BLOB file,String additionalMessage) 
       throws  MessagingException,IOException,SQLException
    {
      InternetAddress[] _to = InternetAddress.parse(to);
      MimeMessage message =  new  MimeMessage(session);
       
      
      message.setFrom( new  InternetAddress(from));
      message.setRecipients(Message.RecipientType.TO,_to);
      message.setSubject(fileName,ENCODING);
      
      Multipart mp =  new  MimeMultipart();
      
       if (additionalMessage !=  null  && ! additionalMessage.equals(""))
      {      
        MimeBodyPart body =  new  MimeBodyPart();
        body.setContent(additionalMessage,"text/plain;charset=\""+MimeUtility.mimeCharset("Cp1251")+"\"");
        mp.addBodyPart(body);
      }
      
      ByteArrayOutputStream bytes =  new  ByteArrayOutputStream();
      OutputStream out = MimeUtility.encode(bytes,"base64");
      InputStream in = file.getBinaryStream();
       byte  b[] =  new   byte [file.getChunkSize()];
       int  l;
       while ((l=in.read(b)) != - 1 )
      {
        out.write(b, 0 ,l);
      }
      out.flush();
      in.close();
      
      InternetHeaders headers =  new  InternetHeaders();
      headers.addHeader("Content-Disposition"," attachment; Filename=\""+fileName+"\"");
      headers.addHeader("Content-Type","application/x-compressed");
      headers.addHeader("Content-transfer-encoding","base64");
      MimeBodyPart attachment =  new  MimeBodyPart(headers,bytes.toByteArray());
      bytes.close();
      out.close();
      mp.addBodyPart(attachment);
      
      message.setContent(mp);
      Transport.send(message);
    }