javax.mail.Session 进行权限认证

12年前
                Properties props = System.getProperties();
props.put("mail.smtp.host", smtpHost);
props.put("mail.smtp.auth", "true");
Session session = Session.getDefaultInstance(props, new Authenticator(){
       protected PasswordAuthentication getPasswordAuthentication() {
           return new PasswordAuthentication(username, password);
       }});