import javax.mail.*;
import javax.mail.internet.InternetAddress;
import javax.mail.internet.MimeMessage;
import java.util.Properties;
public class EmailSender {
    public static void main(String[] args) {
        // 發(fā)件人郵箱地址
        String fromEmail = "your_email@example.com";
        // 發(fā)件人郵箱密碼（或授權(quán)碼）
        String password = "your_email_password";
        // 收件人郵箱地址
        String toEmail = "recipient_email@example.com";
        // SMTP 服務(wù)器地址
        String smtpHost = "smtp.example.com";
        // 創(chuàng)建郵件會(huì)話
        Properties props = new Properties();
        props.setProperty("mail.smtp.host", smtpHost);
        Session session = Session.getDefaultInstance(props);
        try {
            // 創(chuàng)建郵件
            MimeMessage message = new MimeMessage(session);
            message.setFrom(new InternetAddress(fromEmail));
            message.addRecipient(Message.RecipientType.TO, new InternetAddress(toEmail));
            message.setSubject("訂單確認(rèn)");
            // 添加郵件內(nèi)容
            String content = "親愛的用戶，您的訂單已確認(rèn)。";
            String trackingPixel = "<img src=\"
            message.setText(content + trackingPixel);
            // 發(fā)送郵件
            Transport transport = session.getTransport("smtp");
            transport.connect(smtpHost, fromEmail, password);
            transport.sendMessage(message, message.getAllRecipients());
            transport.close();
            System.out.println("郵件發(fā)送成功！");
        } catch (MessagingException e) {
            e.printStackTrace();
        }
    }
}