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);    }}