email-test

导入mail.jar

1.utils：

public class utils {

    public static void sendMail(String email, String emailMsg) throws MessagingException {
        Properties properties = new Properties();
        properties.setProperty("mail.transport.protocol", "SMTP");
        properties.setProperty("mail.smtp.host", "smtp.qq.com");
        properties.setProperty("mail.smtp.auth", "true");
        Authenticator authenticator = new Authenticator() {
            @Override
            protected PasswordAuthentication getPasswordAuthentication() {
                return new PasswordAuthentication("", "");
            }
        };
        Session session = Session.getInstance(properties, authenticator);
        Message message = new MimeMessage(session);
        message.setFrom(new InternetAddress(""));
        message.setRecipient(Message.RecipientType.TO, new InternetAddress(email));
        message.setSubject("用户激活");
        message.setContent(emailMsg, "text/html;charset=utf-8");
        Transport.send(message);
    }

}

2.问题：

有时候会被视为垃圾邮件，收进垃圾箱