How to send Mail from your gmail account using java.

import java.security.Security;
import java.util.Properties;

import javax.mail.Message;
import javax.mail.MessagingException;
import javax.mail.Session;
import javax.mail.Transport;
import javax.mail.Message.RecipientType;
import javax.mail.internet.AddressException;
import javax.mail.internet.InternetAddress;
import javax.mail.internet.MimeMessage;
import javax.mail.*;

public class SendMail
{


    public static int status=0;
    private String from;
    private String to;
    private String subject;
    private String text;
    private String host;
    private String pass;
    private String username;

    public SendMail(){}
    public SendMail(String from, String to, String subject, String text)
        {
        this.from = from;
        this.to = to;
        this.subject = subject;
        this.text = text;
        status=0;
    }

    public void send()
    {
        username="panjariixxxx";             //here u have to write your user name
        pass="ishwaxxxx";                  //here your gmail password
        host = "smtp.gmail.com";
       
        Properties props = new Properties();
        props.put("mail.smtp.host",host);
        props.put("mail.smtp.auth","true");
        props.put("mail.smtp.port", "25");
        props.put("mail.smtp.protocolo","smtps");
    //this follwoing need to set for server authentication.
        props.put("mail.smtp.starttls.enable", "true");
                    
        Session mailSession=Session.getDefaultInstance(props,new javax.mail.Authenticator(){
            protected PasswordAuthentication getPasswordAuthentication()
            {
                return new PasswordAuthentication(username,pass);
            }
        });


        Message simpleMessage = new MimeMessage(mailSession);

        InternetAddress fromAddress = null;
        InternetAddress toAddress = null;
        try {
            fromAddress = new InternetAddress(from);
            toAddress = new InternetAddress(to);
        } catch (AddressException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }

        try
        {
                  
            simpleMessage.setFrom(fromAddress);
            simpleMessage.setRecipient(RecipientType.TO,toAddress);
            simpleMessage.setSubject(subject);
            //this following line for other formate message e.g this support html and simple formate too
            simpleMessage.setContent(text,"text/html");
                   
            Transport.send(simpleMessage);
            status=1;
        }
        catch (MessagingException e)
        {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
    }

    public static void main(String args[])
    {
         String femailid="xxxxx@gmail.com";              //this is from email id
         String temailid="xxxxx@gmail.com";             //this is too email id
         String sub="Good Morining";
         String message="<h1>This is mail from  local server  and sent using gmail account..by java program <h1>";
        

        SendMail sendmail=new SendMail(femailid,temailid,sub,message);
        sendmail.send();
    }

}
for above program you need to download two jar file
1)jaf-1.1.1
2)javamail-1.4.5
You can download this example from the following link
https://sites.google.com/site/poolofjava/Sending%20Mail.zip?attredirects=0&d=1