public static void main(String[] args) throws Exception {

    // set up mail server connection
    String host = MAILHOST;
    String user = MAIL_USERNAME;
    String password = MAIL_PASSWORD;

    // connect to pop3 inbox
    Properties properties = System.getProperties();

    Session session = Session.getDefaultInstance(properties);
    Store store = session.getStore("pop3");
    store.connect(host, user, password);
    Folder inbox = store.getFolder("Inbox");
    inbox.open(Folder.READ_WRITE);

    Flags seen = new Flags(Flags.Flag.SEEN);
    FlagTerm unseenFlagTerm = new FlagTerm(seen, false);

    int emailCounter = 0;

    while (true) {
      // get list of inbox messages
      Message[] messages = inbox.search(unseenFlagTerm);
      // print all emails
      for (Message message : messages) {
        System.out.println("-------------------------------------");
        System.out.println("Email Number " + ++emailCounter);
        System.out.println("Subject: " + message.getSubject());
        System.out.println("From: " + message.getFrom()[0]);
        System.out.println("Text: " + getTextFromEmail(message));
        // mark email as read
        message.setFlag(Flags.Flag.SEEN, true);
      }
    }

  }