Sending email with javamail

Question

Hi
I am new to javaMail....And i having a problem with this program.
I getting the following exception when the run the following program
import javax.mail.*;
import javax.mail.internet.*;
import java.util.Properties;
public class MailDemo
public static void main(String[] args) throws Exception
boolean debug = false;
//Set the host smtp address
Properties props = new Properties();
props.put("mail.smtp.host", "smtp.mail.yahoo.com");
props.put("mail.transport.protocol","smtp");
props.put("mail.smtp.port","25");
// create some properties and get the default Session
Session session = Session.getDefaultInstance(props, null);
session.setDebug(debug);
// create a message
Message msg = new MimeMessage(session);
Transport transport = session.getTransport();
// set the from and to address
InternetAddress addressFrom = new InternetAddress("[email protected]");
msg.setFrom(addressFrom);
InternetAddress addressTo = new InternetAddress("[email protected]");
msg.setRecipient(Message.RecipientType.TO, addressTo);
// Optional : You can also set your custom headers in the Email if you Want
msg.addHeader("MyHeaderName", "myHeaderValue");
// Setting the Subject and Content Type
//msg.setSubject(subject);
//msg.setContent(message, "text/plain");
//Transport.send(msg);
msg.setSubject("Testing javamail plain");
msg.setContent("This is a test", "text/plain");
transport.sendMessage(msg,msg.getRecipients(Message.RecipientType.TO));
transport.close();
I get th following error message:
Exception in thread "main" java.lang.IllegalStateException: Not connected
at com.sun.mail.smtp.SMTPTransport.checkConnected(SMTPTransport.java:151
1)
at com.sun.mail.smtp.SMTPTransport.sendMessage(SMTPTransport.java:548)
at MailDemo.main(MailDemo.java:51)
It is a simple program to send a plain email...
Can anyone help me out
Thanks in advance
Deepthi

Answer 1

It's not connected because you never call Transport.connect.
It's not clear from your code why you chose to use the more
complex way of managing the Transport object yourself rather
than just using the static Transport.send method.
You're also setting some properties that don't really need to be
set because they match the default values.