how can resolve exception while send mail from jsp

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JSP

i tried this coding to send mail from jsp program using my hotmail account..

<%@page import ="java.sql.*" %>
       <%@ page import="java.io.*,java.util.*,javax.mail.*"%>
<%@ page import="javax.mail.internet.*,javax.activation.*"%>
<%@ page import="javax.servlet.http.*,javax.servlet.*" %>

<%

    String host ="smtp.live.com";
String from ="my hotmail email id@hotmail.com";
String to ="receiver mail id.com";
String pass="my hotmail password ";
// Get system properties
Properties props = System.getProperties();

// Setup mail server
props.put("mail.smtp.host", host);
props.put("mail.smtp.user","myid@hotmail.com");

props.put("mail.smtp.password","mypassword");
Session msession = Session.getDefaultInstance(props, null);

// Define message
MimeMessage message = new MimeMessage(msession);
message.setFrom(new InternetAddress(from));
message.addRecipient(Message.RecipientType.TO,
  new InternetAddress(to));
message.setSubject("Hello JavaMail");
message.setText("Welcome to JavaMail");
Transport tr = msession.getTransport("smtp");
            tr.connect(host, from, pass);
// Send messa
            tr.send(message);
// Send message

  %>

but i got error as shown below

type Exception report

message

descriptionThe server encountered an internal error () that prevented it from fulfilling this request.

exception

javax.servlet.ServletException: javax.mail.MessagingException: Could not convert socket to TLS;
  nested exception is:
    java.io.IOException: Server is not trusted: smtp.live.com
root cause

javax.mail.MessagingException: Could not convert socket to TLS;
  nested exception is:
    java.io.IOException: Server is not trusted: smtp.live.com
root cause

java.io.IOException: Server is not trusted: smtp.live.com
note The full stack traces of the exception and its root causes are available in the GlassFish v3 logs.

how can i resolve this error..