Reply Mail using API

        Properties props = new Properties();
        props.put("mail.smtp.host", "smtp.gmail.com");
        props.put("mail.smtp.socketFactory.port", "465");
        props.put("mail.smtp.socketFactory.class", "javax.net.ssl.SSLSocketFactory");
        props.put("mail.smtp.auth", "true");
        props.put("mail.smtp.port", "465");
        final String username = ""
        final String password = ""
        Session session = Session.getDefaultInstance(props,
                new javax.mail.Authenticator() {
                    protected PasswordAuthentication getPasswordAuthentication() {
                        return new PasswordAuthentication(username, password);
                    }
                });
        try {
            Store store = session.getStore("imaps");
            store.connect("imap.gmail.com", username, password);
 
            //Create a Folder object and open the folder
            Folder folder = store.getFolder("inbox");
            folder.open(Folder.READ_ONLY);
 
            String messageId = ""
            SearchTerm searchTerm = new MessageIDTerm(messageId);
            List messages = folder.search(searchTerm);
 
            Message message = messages?.first()
 
            // Get all the information from the message
            String from = InternetAddress.toString(message.getFrom());
            if (from != null) {
                System.out.println("From: " + from);
            }
            String replyTo = InternetAddress.toString(message.getReplyTo());
            if (replyTo != null) {
                System.out.println("Reply-to: " + replyTo);
            }
            String to = emailMessage?.senderEmail
            if (to != null) {
                System.out.println("To: " + to);
            }
 
            String subject = message.getSubject();
            if (subject != null) {
                System.out.println("Subject: " + subject);
            }
            Date sent = message.getSentDate();
            if (sent != null) {
                System.out.println("Sent: " + sent);
            }
            System.out.println(message.getContent());
 
            // compose the message to forward
            Message message2 = new MimeMessage(session);
            message2 = (MimeMessage) message.reply(false);
            message2.setSubject("RE: " + message.getSubject());
            String defaultFrom = grailsApplication.config.grails.mail.default.from
            message2.setFrom(new InternetAddress(defaultFrom));
            message2.setReplyTo(message.getReplyTo());
 
            message2.addRecipient(Message.RecipientType.TO, new InternetAddress(to));
//            message2.addRecipient(Message.RecipientType.TO);
 
            // Create your new message part
            BodyPart messageBodyPart = new MimeBodyPart();
            messageBodyPart.setText(replyText);
 
            // Create a multi-part to combine the parts
            Multipart multipart = new MimeMultipart();
            multipart.addBodyPart(messageBodyPart);
 
            // Create and fill part for the forwarded content
//            messageBodyPart = new MimeBodyPart();
//            messageBodyPart.setDataHandler(message.getDataHandler());
 
            // Add part to multi part
//            multipart.addBodyPart(messageBodyPart);
 
            // Associate multi-part with message
            message2.setContent(multipart);
 
            // Send message
            Transport.send(message2);
 
            System.out.println("message replied successfully ....");
        } catch (Exception e) {
            throw new RuntimeException(e);
        }