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i tried this coding,,

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


    String host ="";
String from ="my hotmail email id";
String to ="receiver mail id";

// Get system properties
Properties props = System.getProperties();

// Setup mail server
props.put("", host);

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

// Define message
MimeMessage message = new MimeMessage(msession);
message.setFrom(new InternetAddress(from));
  new InternetAddress(to));
message.setSubject("Hello JavaMail");
message.setText("Welcome to JavaMail");

// Send message

But i got error as shown below..

type Exception report


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


javax.servlet.ServletException: javax.mail.AuthenticationFailedException: failed to connect, no password specified?
root cause

javax.mail.AuthenticationFailedException: failed to connect, no password specified?
note The full stack traces of the exception and its root causes are available in the GlassFish v3 logs.
Updated 4-Feb-12 2:36am

See the documentation for JavaMail API[^]. Give it a try and when you have a more specific problem come back here with some more detail.
jGuru: Fundamentals of the JavaMail API[^]

E-Mailing Through Java[^]

You might want to read both. Also please use a local emailserver on your machine for testing. Most real pop3 servers are only allowing a couple of contacts each 15 min.[^] is free and easy to use. Please be aware that also this service has an auto-ban function -> "Settings" -> "Advanced"

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