automatic mail

[shiv0013]

i want to generate automatic emails.
i got the following code by google.
i also added the mail.jar file into lib of web inf.
wen i execute this code i get exceptions
"Could not connect to SMTP host: smtp.gmail.com, port: 25 (javax.net.ssl.SSLException: Unrecognized SSL message, plaintext connection?)"

and

"Unrecognized SSL message, plaintext connection?"
is there anything wrong in the code or should i add any resources?
should i add some coding in web.xml?

String host="smtp.gmail.com", user="uname", pass="pwd";

//host = smtp_server; //"smtp.gmail.com"; user = jsp_email; //"[e-mail]" // email id to send the emails

//pass = jsp_email_pw; //Your gmail password

String SSL_FACTORY ="javax.net.ssl.SSLSocketFactory";

String to = receiver;// out going email id

String from =Sender; //Email id of the recipient

String subject ="test";

String state="";

String messageText ="hi";

boolean sessionDebug = true;

Properties props = System.getProperties();

props.put("mail.host", host);

props.put("mail.transport.protocol.", "smtp");

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

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

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

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

props.put("mail.smtp.socketFactory.class", SSL_FACTORY);

Session mailSession = Session.getDefaultInstance(props,null);

mailSession.setDebug(sessionDebug);

Message msg =new MimeMessage(mailSession);

msg.setFrom(new InternetAddress(from));

InternetAddress[] address = {new InternetAddress(to)};

msg.setRecipients(Message.RecipientType.TO, address);

msg.setSubject(subject);

msg.setContent(messageText,"text/html"); // use setText if you want to send text

Transport transport = mailSession.getTransport("smtp");

transport.connect(host, user, pass);

try
{

transport.sendMessage(msg, msg.getAllRecipients());
response.sendRedirect(state);
//WasEmailSent = true; // assume it was sent

}

catch
(Exception err) {

//WasEmailSent = false; // assume it's a fail

out.println(
"Error"+err.getMessage());

}

transport.close();

please help me
thanks

[c_blimey]

The error says its trying to conenct on port 25, which I believe is wrong. gmail.smtp is port 465. What happens if you try the following from a command prompt?

telnet smtp.gmail.com 465