import java.util.Properties;

import javax.mail.Authenticator;
import javax.mail.Message;
import javax.mail.MessagingException;
import javax.mail.PasswordAuthentication;
import javax.mail.Session;
import javax.mail.Transport;
import javax.mail.internet.InternetAddress;
import javax.mail.internet.MimeMessage;

public class Email {

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

		String host = "smtp.gmail.com";
		int port = 465;
		final String username = "jason19951003@gmail.com";//smtp帳號
		final String password = "***";//smtp密碼

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

		Session session = Session.getInstance(props, new Authenticator() {
			protected PasswordAuthentication getPasswordAuthentication() {
				return new PasswordAuthentication(username, password);
			}
		});

		Message message = new MimeMessage(session);
		message.setFrom(new InternetAddress("jason19951003@gmail.com"));//設定寄件人帳號
		message.addRecipients(Message.RecipientType.TO, InternetAddress.parse("b19951003@gmail.com"));//設定收件人帳號
		message.setSubject("測試HTML寄信.");//設定主旨
		//message.setText("test");//寄送純文字
		message.setContent("<h1>This is a test</h1>", "text/html; charset=utf-8");//寄送html格式的email

		Transport transport = session.getTransport("smtp");
		transport.connect(host, port, username, password);

		Transport.send(message);
		transport.close();
		System.out.println("寄送email結束.");
	}

}