Sending email in java

Index.jsp

<%

        String msgBody = "Hello mail";

        GMailServer gmail=new GMailServer("sender","pass");

        gmail.sendMail("subject",msgBody,"sender", "receipent");

        %>

GMailServer.java

package model;

import java.io.ByteArrayInputStream;

import java.io.IOException;

import java.io.InputStream;

import java.io.OutputStream;

import java.sql.Connection;

import java.sql.Statement;

import java.util.Properties;

import javax.activation.DataHandler;

import javax.activation.DataSource;

import javax.mail.Message;

import javax.mail.PasswordAuthentication;

import javax.mail.Session;

import javax.mail.Transport;

import javax.mail.internet.InternetAddress;

import javax.mail.internet.MimeMessage;

public class GMailServer extends javax.mail.Authenticator

{

    private String mailhost ="smtp.gmail.com";  //"smtp.mail.yahoo.com"; //"smtp.gmail.com";

    private String user;

    private String password;

    private Session session; 

    public GMailServer(String user, String password) {

          this.user = user;

        this.password = password; 

        Properties props = new Properties();

                props.put("mail.smtp.auth", "true");

                props.put("mail.smtp.starttls.enable", "true");

                props.put("mail.smtp.host", "smtp.gmail.com");

                props.put("mail.smtp.port", "587");

       // props.setProperty("mail.transport.protocol", "smtp");

       // props.setProperty("mail.smtp.host", mailhost);

      //  props.put("mail.smtp.auth", "true");

       // props.put("mail.smtp.port", "465");

       // props.put("mail.smtp.socketFactory.port", "465");

      //  props.put("mail.smtp.socketFactory.class","javax.net.ssl.SSLSocketFactory");

       // props.put("mail.smtp.starttls.enable","true");

       // props.put("mail.smtp.debug", "true");

       // props.put("mail.smtp.socketFactory.fallback", "false");

       // props.setProperty("mail.smtp.quitwait", "false"); 

        session = Session.getInstance(props, this);

    } 

    protected PasswordAuthentication getPasswordAuthentication()

    {

        return new PasswordAuthentication(user, password);

    } 

    public synchronized void sendMail(String subject, String body, String sender, String recipients) throws Exception

    {

        MimeMessage message = new MimeMessage(session);

        DataHandler handler = new DataHandler(new GMailServer.ByteArrayDataSource(body.getBytes(), "text/html"));

          

        message.setSender(new InternetAddress(sender));

        message.setSubject(subject);

        message.setDataHandler(handler);

        if (recipients.indexOf(',') > 0)

            message.setRecipients(Message.RecipientType.TO, InternetAddress.parse(recipients));

        else

            message.setRecipient(Message.RecipientType.TO, new InternetAddress(recipients));

        Transport.send(message);

      

    } 

    public class ByteArrayDataSource implements DataSource {

        private byte[] data;

        private String type; 

        public ByteArrayDataSource(byte[] data, String type) {

            super();

            this.data = data;

            this.type = type;

        } 

        public ByteArrayDataSource(byte[] data) {

            super();

            this.data = data;

        } 

        public void setType(String type) {

            this.type = type;

        } 

        public String getContentType() {

            if (type == null)

                return "application/octet-stream";

            else

                return type;

        } 

        public InputStream getInputStream() throws IOException {

            return new ByteArrayInputStream(data);

        } 

        public String getName() {

            return "ByteArrayDataSource";

        } 

        public OutputStream getOutputStream() throws IOException {

            throw new IOException("Not Supported");

        }

    }

}

jar file is mail-1.4