JavaMail - Sending with Authentication

import java.util.*; 
import javax.mail.*; 
import javax.mail.internet.*; 
 
public class JavaMail 
{ 
  public static void postMail( String recipient, 
                               String subject, 
                               String message, String from ) 
    throws MessagingException 
  { 
    Properties props = new Properties(); 	
    props.put( "mail.smtp.host", "mySMTPHost" );
    props.put( "mail.smtp.auth","true");
 
    Authenticator authenticator = new Authenticator () {
	public PasswordAuthentication getPasswordAuthentication(){
		return new PasswordAuthentication("user" "password");
	}
    };
 
    Session session = Session.getDefaultInstance( props , authenticator); 
    Message msg = new MimeMessage( session ); 
    InternetAddress addressFrom = new InternetAddress( from ); 
    msg.setFrom( addressFrom ); 
    InternetAddress addressTo = new InternetAddress( recipient ); 
    msg.setRecipient( Message.RecipientType.TO, addressTo ); 
    msg.setSubject( subject ); 
    msg.setContent( message, "text/plain" );
 
    Transport.send( msg ); 
  } 
 
  public static void main( String[] args ) throws Exception 
  { 
    postMail( "[email protected]", 
              "mySubject", 
              "myContent", 
              "[email protected]"); 
  } 
}