发送简单电子邮件

public class GoogleMailTest {

    GoogleMailTest() {

    }

    public static void Send(final String username, final String password, String recipientEmail, String title, String message) throws AddressException, MessagingException {
        GoogleMailTest.Send(username, password, recipientEmail, "", title, message);
    }

    public static void Send(final String username, final String password, String recipientEmail, String ccEmail, String title, String message) throws AddressException, MessagingException {
        Security.addProvider(new com.sun.net.ssl.internal.ssl.Provider());
        final String SSL_FACTORY = "javax.net.ssl.SSLSocketFactory";
        // Get a Properties object
        Properties props = System.getProperties();
        props.setProperty("mail.smtps.host", "smtp.gmail.com");
        props.setProperty("mail.smtp.socketFactory.class", SSL_FACTORY);
        props.setProperty("mail.smtp.socketFactory.fallback", "false");
        props.setProperty("mail.smtp.port", "465");
        props.put("mail.debug", "true");
        props.setProperty("mail.smtp.socketFactory.port", "465");
        props.setProperty("mail.smtps.auth", "true");
        props.put("mail.smtps.quitwait", "false");
        Session session = Session.getInstance(props, null);
        // -- Create a new message --
        final MimeMessage msg = new MimeMessage(session);
        // -- Set the FROM and TO fields --
        msg.setFrom(new InternetAddress(username));
        msg.setRecipients(Message.RecipientType.TO, InternetAddress.parse(recipientEmail, false));
        JOptionPane.showMessageDialog(null, msg.getSize());
        if (ccEmail.length() > 0) {
            msg.setRecipients(Message.RecipientType.CC, InternetAddress.parse(ccEmail, false));
        }
        msg.setSubject(title);
        msg.setText(message);
        msg.setSentDate(new Date());
        SMTPTransport t = (SMTPTransport) session.getTransport("smtps");
        t.connect("smtp.gmail.com", username, password);
        t.sendMessage(msg, msg.getAllRecipients());
        t.close();
    }
    //    And use this code in any class, I'm using it in the same class in main method
    public static void main(String[] args) {
        String senderMail = "inzi769@gmail.com"; //sender mail id
        String password = "769inzimam-9771"; // sender mail password here
        String toMail = "inzi.rogrammer@gmail.com"; // recepient  mail id here
        String cc = ""; // cc mail id here
        String title = "Java mail test"; // Subject of the mail
        String msg = "Message here"; // message to be sent

        GoogleMailTest gmt = new GoogleMailTest();

        try {
            if (cc.isEmpty()) {
                GoogleMailTest.Send(senderMail, password, toMail, title, msg);
            } else {
                GoogleMailTest.Send(senderMail, password, toMail, cc, title, msg);
            }
        } catch (MessagingException ex) {
            Logger.getLogger(GoogleMailTest.class.getName()).log(Level.SEVERE, null, ex);
        }
    }

}