1、引入jar包
cn.hutool hutool-all 5.3.1 com.sun.mail javax.mail 1.6.2
2、发件邮箱配置
3、java代码
public static String send(String mail,String title,String content){
MailAccount account = new MailAccount();
account.setHost("smtp.163.com");//邮件服务器的SMTP地址
account.setPort(25);//邮件服务器的SMTP端口(默认25)
account.setAuth(true);
account.setPass("XXXXXXXXXXXXXX");//授权码(开启IMAP/SMTP服务会弹出!)
account.setFrom("XXXXXXXXXXXXXX@163.com");//发件邮箱
account.setUser("XXXXXXXXXXXXXX");//发件人
return MailUtil.send(account, CollUtil.newArrayList(mail), title, content, false);
}



