Java使用QQ邮箱发送邮件，2018-3-21

package com.braycep.mail.test;

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

/**
 * 发送简单的邮件
 */
public class SimpleMailTest {
    public static void main(String[] args) throws Exception{
        //发件地址
        String from = "braycep@foxmail.com";
        //收件地址
        String to = "braycep@outlook.com";
        //发件服务器
        String host = "smtp.qq.com";

        //创建配置文件
        Properties properties = new Properties();
        properties.setProperty("mail.transport.protocol","smtp");
        properties.setProperty("mail.smtp.host","smtp.qq.com");
        properties.setProperty("mail.smtp.auth","true");
        //开启SSL
        properties.setProperty("mail.smtp.socketFactory.class","javax.net.ssl.SSLSocketFactory");
        properties.setProperty("mail.smtp.port","465");
        properties.setProperty("mail.smtp.socketFactory.port","465");
        //开启控制台调试
        properties.setProperty("mail.debug","true");

        //认证
        Authenticator auth = new MyAuthenticator("braycep@foxmail.com","你的授权码");

        //使用配置文件和认证获取Session实例
        Session session = Session.getInstance(properties, auth);

        //创建简单的消息体
        MimeMessage message = new MimeMessage(session);
        message.setFrom(new InternetAddress(from));
        message.setRecipient(Message.RecipientType.TO, new InternetAddress(to));
        message.setSubject("A Java EMail Demo From Intellij Idea By Braycep");
        message.setText("Hello,My Friend Braycep,I'm Mike,What's up?");

        //使用session获取邮件传输通道
        Transport transport = session.getTransport();
        //发送
        transport.send(message);
    }
}

/**
 * 继承认证类
 */
class MyAuthenticator extends Authenticator{
    private String name;
    private String password;
    public MyAuthenticator(String name, String password){
        this.name = name;
        this.password = password;
    }

    @Override
    protected PasswordAuthentication getPasswordAuthentication() {
        return new PasswordAuthentication(name,password);
    }
}