1.QQ邮箱

1.1pom.xml配置

<!-- 邮件 -->
<dependency>
    <groupId>org.springframework.boot</groupId>
    <artifactId>spring-boot-starter-mail</artifactId>
</dependency>

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1.2application.properties配置

spring.mail.host=smtp.qq.com
spring.mail.username=476570365@qq.com
spring.mail.password=第三方密码// 这个东西需要到QQ
spring.mail.properties.mail.smtp.auth=true
spring.mail.properties.mail.smtp.starttls.enable=true
spring.mail.properties.mail.smtp.starttls.required=true

第三方密码// 这个东西需要到QQ邮箱去设置
  http://service.mail.qq.com/cgi-bin/help?subtype=1&&id=28&&no=1001256

1.3项目目录

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1.4OneController.java

package com.shuai.spring_boot_1.web;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.mail.SimpleMailMessage;
import org.springframework.mail.javamail.JavaMailSender;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;

@RestController
public class OneController {

    @Autowired
    private JavaMailSender mailSender;

    @RequestMapping("/send")
    public String send() {

        SimpleMailMessage message = new SimpleMailMessage();

        message.setFrom("476570365@qq.com");// 发送者.
        message.setTo("1710665816@qq.com");// 接收者.
        message.setSubject("测试邮件（邮件主题）");// 邮件主题.
        message.setText("这是邮件内容");// 邮件内容.

        mailSender.send(message);// 发送邮件

        System.out.println("发送成功");
        return "ok";
    }
    
}

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1.5App.java

package com.shuai.spring_boot_1;

import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;

@SpringBootApplication
public class App {
    
    public static void main(String[] args) {
        SpringApplication.run(App.class, args);
    }
}

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1.6运行项目

运行App.java中的main方法

1.7访问项目

http://localhost:8080/send