mail-receiver | specified domain and spawning an instance | Continuous Deployment library

private class AsyncTaskSendMail extends AsyncTask {

        @Override
        protected String doInBackground(String... params) {

            String host="server142.web-hosting.com";//change accordingly
            final String user="*****@something.com";//change accordingly
            final String password="*****";//change accordingly

            String to="*****@something.com";//change accordingly

            Properties props = new Properties();
            props.put("mail.smtp.host",host);
            props.put("mail.smtp.auth", "true");

            Session session = Session.getDefaultInstance(props,
                    new javax.mail.Authenticator() {
                        protected PasswordAuthentication getPasswordAuthentication() {
                            return new PasswordAuthentication(user,password);
                        }
                    });

            try {
                MimeMessage message = new MimeMessage(session);
                message.setFrom(new InternetAddress(user));
                message.addRecipient(Message.RecipientType.TO,new InternetAddress(to));
                message.setSubject("SAIM TEST MAIL");
                message.setText("This is simple program of sending email using JavaMail API");

                //send the message
                Transport.send(message);

                System.out.println("message sent successfully...");

            } catch (MessagingException e) {e.printStackTrace();}

            return "";
        }


        @Override
        protected void onPostExecute(String result) {

        }


        @Override
        protected void onPreExecute() {

        }


        @Override
        protected void onProgressUpdate(String... text) {

        }

    }