javax.mail.MessagingException : Could not connect to SMTP host :, port : 25

I am getting an error while sending the mail from my java application

I have attached the error document. Please help soon.
Thanks in advance.

import java.util.Properties;
import javax.activation.*;
import javax.mail.Authenticator;
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.AddressException;
import javax.mail.MessagingException;
import javax.mail.internet.MimeMessage;

public class Mail {
	public static void main(String[] args) {
        try {
            new Email().sendSimpleMail("Test from Java", "", "", "Testing...");

        catch(Throwable e) {

    public static class Email {
        public void sendSimpleMail(String subject, String to, String from,String messageText) throws AddressException, MessagingException {

            Properties mailProps = new Properties();
            mailProps.put("mail.transport.protocol", "smtp");
            mailProps.put("mail.smtp.starttls.enable", "true");
            mailProps.put("", "");
            mailProps.put("mail.smtp.auth", "true");
            mailProps.put("mail.smtp.user", "");
            mailProps.put("mail.debug", "true");
            mailProps.put("mail.smtp.port", "25");
            mailProps.put("mail.smtp.debug", "true");
            Authenticator auth = new MailAuthenticator();
            Session session = Session.getDefaultInstance(mailProps, auth);

            Message message = new MimeMessage(session);

            message.setFrom(new InternetAddress(from));
            message.setRecipient(Message.RecipientType.TO, new InternetAddress(to));


            message.setContent(messageText, "text/html");


        private class MailAuthenticator extends javax.mail.Authenticator {
            public PasswordAuthentication getPasswordAuthentication() {
                String user = "";
                String pwd = "abcd";
                return new PasswordAuthentication(user, pwd);

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meeramtConnect With a Mentor Author Commented:
There was a problem in my mail server so was not able to connect.. thanks a lot for the help...
looks like the mail server isn't listening on port 25
try 465, or check what port the mail server is actually using
587 is another to try
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meeramtAuthor Commented:
Mail properites on outlook is showing 25 as port...
Tried with both the ports but getting the same error.. :-(
does you network use a proxy
meeramtAuthor Commented:
no.. it does not  use any proxy.. the mail server is accessed through internet only.. we do not use any proxy to connect to it..
thats strange. Is outlook running on the same box
and do you have any firewalls
meeramtAuthor Commented:
outlook is running on same machine n firewall is turned off..
meeramtAuthor Commented:
closing d question..
meeramtAuthor Commented:
closing this question as issue has been resolved.. thanks everyone for their time n opnion..
> but experts confirmed that there is not problem in the code so checked the connectivity...

so award them points for helping. We have no way of knowing you have connectivity issues
meeramtAuthor Commented:
I was facing the error because of server issue at my end... but experts confirmed that there is not problem in the code so checked the connectivity...
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