1. 导入maven坐标
<dependency>
<groupId>javax.mail</groupId>
<artifactId>mail</artifactId>
<version>1.4.7</version>
</dependency>
2. 导入工具类即可
package com.czxy.utils;
import javax.mail.Message;
import javax.mail.Session;
import javax.mail.Transport;
import javax.mail.internet.InternetAddress;
import javax.mail.internet.MimeMessage;
import java.util.Properties;
public class MailUtil {
public static void sendMail(String to,String subject,String text) throws Exception{
//1 创建属性对象
Properties props = new Properties();
//2 设置邮件服务器的地址 smtp.163.com smtp.126.com smtp.qq.com smtp.gmail.com
props.put("mail.smtp.host","smtp.163.com");
//3 设置是否打开校验 , 是否验证用户名和密码 必须要设置为 true
props.put("mail.smtp.auth",true);
//4 获取与邮件服务器的连接
Session session = Session.getDefaultInstance(props);
//5 新建一封邮件xxxxx
MimeMessage message = new MimeMessage(session);
//6 设置发送者
InternetAddress fromAddress = new InternetAddress("[email protected]");
message.setFrom(fromAddress);
//7 设置接收者
InternetAddress toAddress = new InternetAddress(to);
// to 接收者 cc 抄送 bcc 密送
message.setRecipient(Message.RecipientType.TO,toAddress);
//8 设置主题
message.setSubject(subject);
//9 设置正文
// message.setText(text);
//第一个参数:内容
//第二个参数:内容格式
message.setContent(text,"text/html;charset=utf-8");
//10 坐火箭
Transport transport = session.getTransport("smtp");//参数必须添加
//第一个参数是发送人163邮箱 ,第二个参数是密码
transport.connect("[email protected]","xxxxx");// 密码是授权码
// 所有的接收者 to cc bcc
transport.sendMessage(message,message.getAllRecipients());
// 关闭连接
transport.close();
System.out.println("ok");
}
public static void main(String[] args) {
try {
//收件人qq邮箱
MailUtil.sendMail("[email protected]","好好学习","天天向上");
} catch (Exception e) {
e.printStackTrace();
}
}
}