spring boot配置QQ邮箱发送邮件

1. 添加maven依赖项：

<dependency>
     <groupId>org.springframework.boot</groupId>
     <artifactId>spring-boot-starter-mail</artifactId>
　　　<version>${spring-boot-version}</version>
</dependency>

2. 添加配置项 mail.properties

spring.mail.host=smtp.qq.com
spring.mail.username=123@qq.com
spring.mail.password=授权码
spring.mail.port=465
spring.mail.protocol=smtps
spring.mail.properties.mail.smtp.auth=true
spring.mail.properties.mail.smtp.starttls.enable=true
spring.mail.properties.mail.smtp.starttls.required=true
spring.mail.default-encoding=UTF-8

3. 启动类扫描配置

@PropertySource(value = {"mail.properties"})

4. 发送邮件代码

import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.mail.javamail.JavaMailSender;
import org.springframework.mail.javamail.MimeMessageHelper;
import org.springframework.stereotype.Service;

import javax.mail.internet.MimeMessage;

@Slf4j
@Servicepublic class MailService {

    @Autowired(required = false)
    private JavaMailSender mailSender;
    
    public boolean sendEmail(MailInfoBO mailInfo) {
        try {
            // 创建一个邮件消息
            MimeMessage message = mailSender.createMimeMessage();

            // 创建 MimeMessageHelper
            MimeMessageHelper helper = new MimeMessageHelper(message, false);

            // 发件人邮箱和名称
            helper.setFrom("123@qq.com", "测试");
            // 收件人邮箱
            helper.setTo(mailInfo.getToEmail());
            // 邮件标题
            helper.setSubject(mailInfo.getSubject());
            // 邮件正文，第二个参数表示是否是HTML正文
            helper.setText(mailInfo.getContent(), true);

            mailSender.send(message);
            return true;
        } catch (Exception e) {
            log.error("MailService error", e);
        }
        return false;
    }
}