protected boolean shouldIgnoreBCCAddress(String address) {
   MilterServerService milterService = Config.getConfig().getMilterServerService();
   List<String> ignoreAddresses = milterService.getIgnoreBCCAddress();
   Matcher m = headerPattern2.matcher(address.toLowerCase(Locale.ENGLISH).trim());
   if (m.matches()) {
     String mailAddress = m.group(1);
     for (String ignoreAddress : ignoreAddresses) {
       if (ignoreAddress.equalsIgnoreCase(mailAddress)) return true;
     }
   } else {
     m = headerPattern3.matcher(address.toLowerCase(Locale.ENGLISH).trim());
     if (m.matches()) {
       String mailAddress = m.group(1);
       for (String ignoreAddress : ignoreAddresses) {
         if (ignoreAddress.equalsIgnoreCase(mailAddress)) return true;
       }
     }
   }
   return false;
 }
  public JilterStatus header(String headerf, String headerv) {

    logger.debug("jilter header {name='" + headerf + "',value='" + headerv + "'}");
    StringBuffer header = new StringBuffer();
    header.append(headerf);
    header.append(": ");
    header.append(headerv);
    header.append("\n");
    try {
      bos.write(header.toString().getBytes());
    } catch (IOException io) {
      logger.error("jilter failed to write header field", io);
    }
    Matcher m = headerPattern1.matcher(headerf.toLowerCase(Locale.ENGLISH).trim());
    if (m.matches()) {
      logger.debug("jilter found to/bcc/cc header");
      String[] addresses = headerv.split(",");
      for (int i = 0; i < addresses.length; i++) {
        includeBCC = includeBCC | rcpts.remove(addresses[i].toLowerCase(Locale.ENGLISH).trim());
        logger.debug("jilter del recipient {recipient='" + addresses[i] + "'}");
        m = headerPattern2.matcher(addresses[i].toLowerCase(Locale.ENGLISH).trim());
        if (m.matches()) {
          String mailAddress = m.group(1);
          includeBCC = includeBCC | rcpts.remove(mailAddress);
          logger.debug("jilter del recipient {recipient='" + mailAddress + "'}");
        } else {
          m = headerPattern3.matcher(addresses[i].toLowerCase(Locale.ENGLISH).trim());
          if (m.matches()) {
            String mailAddress = m.group(1);
            includeBCC = includeBCC | rcpts.remove(mailAddress);
            logger.debug("jilter del recipient {recipient='" + mailAddress + "'}");
          }
        }
      }
    }
    return JilterStatus.SMFIS_CONTINUE;
  }