通过EWS检索邮件并使用Java Mail API发送

import java.util.Properties;
import javax.mail.*;
import javax.mail.internet.*;

public class EmailExample {
    public static void main(String[] args) {
        // EWS邮件检索
        // TODO: 使用EWS API检索邮件

        // Java Mail API发送邮件
        String to = "recipient@example.com";
        String from = "sender@example.com";
        String host = "smtp.example.com";
        Properties properties = System.getProperties();
        properties.setProperty("mail.smtp.host", host);
        Session session = Session.getDefaultInstance(properties);

        try {
            MimeMessage message = new MimeMessage(session);
            message.setFrom(new InternetAddress(from));
            message.addRecipient(Message.RecipientType.TO, new InternetAddress(to));
            message.setSubject("This is the subject");
            message.setText("This is the actual message");

            Transport.send(message);
            System.out.println("Sent message successfully!");
        } catch (MessagingException mex) {
            mex.printStackTrace();
        }
    }
}