Hi !!, I have the 505 problem, do you know what is wrong?.

Error:

			

			Exception in thread "main" javax.mail.MessagingException: 505 Client was not authenticated
			

			at com.sun.mail.smtp.SMTPTransport.issueCommand(SMTPTransport.java:507)
			

			at com.sun.mail.smtp.SMTPTransport.mailFrom(SMTPTransport.java:312)
			

			at com.sun.mail.smtp.SMTPTransport.sendMessage(SMTPTransport.java:168)
			

			at HelloMail.main(HelloMail.java:39)
			

		

			

			

			import java.util.Properties;
			

			import javax.mail.*;
			

			import javax.mail.internet.*;
			

			

			public class HelloMail {
			

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

			String host="mail.xxx.com.mx"; //
			

			String from="evalua@xxx.com.mx"; //sender's email
			

			String to ="harriaga@xxx.com.mx" ; //receiver's email
			

			

			Properties props = System.getProperties();
			

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

			props.put("mail.smtp.auth", "true");
			

			

			// NEW //
			

			ServerAuthenticate myauth = new ServerAuthenticate("harriaga@xxx.com.mx", passw);
			

			Session session = Session.getInstance(props, myauth);
			

			

			MimeMessage message = new MimeMessage(session);
			

			message.setFrom(new InternetAddress(from));
			

			message.addRecipient(Message.RecipientType.TO, new
			

			InternetAddress(to));
			

			message.setSubject(" My Test HTML email ");
			

			message.setText(" Here is the content ");
			

			message.saveChanges();
			

			Transport transport = session.getTransport("smtp");
			

			transport.connect("mail.xxx.com.mx","harriaga@xxx.com.mx",passw);
			

			transport.sendMessage(message,message.getAllRecipients());
			

			transport.close();
			

			}
			

			}