This is my Program to be done successfully..........

import java.util.Properties;

import javax.mail.*;

import javax.mail.internet.*;

public class MailExample {

public static void main (String args[]) throws Exception {

String host = args[0];

String from = args[1];

String to = args[2];

// Get system properties

Properties props = System.getProperties();

// Setup mail server

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

// Get session

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

// Define message

MimeMessage message = new MimeMessage(session);

// Set the from address

message.setFrom(new InternetAddress(from));

// Set the to address

message.addRecipient(Message.RecipientType.TO,
new InternetAddress(to));

// Set the subject

message.setSubject("Hello JavaMail");

// Set the content

message.setText("Welcome to JavaMail");

// Send message

Transport.send(message);


}

}

After compiling the code,

This is my error.


D:lakshmanNew Folder>java MailExample -o vijaygopal_sana@yahoo.com -M SMTP.Ser
ver lakshman_y@rediffmail.com




Exception in thread "main"
javax.mail.SendFailedException: Sending failed;

nested exception is:
javax.mail.MessagingException: Unknown SMTP host: -o;

nested exception is:
java.net.UnknownHostException: -o
at javax.mail.Transport.send0(Transport.java:219)

at javax.mail.Transport.send(Transport.java:81)

at MailExample.main(MailExample.java:27)