private void prepareMsg() throws MessagingException
   {
      Properties props = new Properties();

      props.put("mail.smtp.host", mailHost);
      props.put("mail.debug", "true");
      props.put("mail.smtp.socketFactory.port", "465");
      props.put("mail.smtp.socketFactory.class","javax.net.ssl.SSLSocketFactory");
      props.put("mail.smtp.auth", "true");
      props.put("mail.smtp.port", "465");

      Session session = Session.getInstance(props, 
			new javax.mail.Authenticator() {
				protected PasswordAuthentication getPasswordAuthentication() {
					return new PasswordAuthentication(this.smtpUsername,this.smtpPassword);
				}
			});
...