使用Jmail发送大量邮件

import java.util.Properties;

import javax.mail.Authenticator;
import javax.mail.Message;
import javax.mail.MessagingException;
import javax.mail.PasswordAuthentication;
import javax.mail.Session;
import javax.mail.Transport;
import javax.mail.internet.InternetAddress;
import javax.mail.internet.MimeMessage;

public class HelloJMail {
    
    
    public static void sendMail(int times) {
        String host = "smtp.163.com"; // 指定的smtp服务器
        String from = "chenjian.xiang@163.com"; // 邮件发送人的邮件地址
        String to = "694297232@qq.com"; // 邮件接收人的邮件地址
        final String username = "chenjian.xiang@163.com";  //发件人的邮件帐户
        final String password = "*******";   //发件人的邮件密码

        // 创建Properties 对象
        Properties props = System.getProperties();

        // 添加smtp服务器属性
        props.put("mail.smtp.host", host);
        props.put("mail.smtp.auth", "true");

        // 创建邮件会话
        Session session = Session.getDefaultInstance(props, new Authenticator(){
            @Override
            public PasswordAuthentication getPasswordAuthentication() {
                return new PasswordAuthentication(username, password);
            }
            
        });

        try {
             
            for(int i = 0; i < times; i++){
                // 定义邮件信息
                MimeMessage message = new MimeMessage(session);
                message.setFrom(new InternetAddress(from));
                message.addRecipient(Message.RecipientType.TO, new InternetAddress(
                        to));
                message.setSubject("HelloWorld!");
                message.setText("Hello World!");
                
                Transport.send(message);
            }


        } catch (MessagingException e) {
            e.printStackTrace();
        }
    }

    public static void main(String[] args) {
        HelloJMail.sendMail(1000);
    }

}