java使用foxmail发送邮件

 

package com.mail;

import com.sun.mail.util.MailSSLSocketFactory;
import org.junit.Test;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.stereotype.Component;

import javax.mail.*;
import javax.mail.internet.InternetAddress;
import javax.mail.internet.MimeMessage;
import java.time.LocalDate;
import java.time.format.DateTimeFormatter;
import java.util.List;
import java.util.Properties;

/**
 * 发邮件工具类
 */
@Component
public class MailUtils {
    @Value("${mail.user}")
    private String mailUser; // 发件人邮箱地址
    @Value("${mail.password}")
    private String mailPassword; // 密码

    /**
     * 发送邮件
     *
     * @param to    收件人邮箱
     * @param text  邮件正文
     * @param title 标题
     */
    public boolean sendMail(String to, String text, String title) {
        try {
            Properties props = new Properties();
            props.put("mail.smtp.auth", "true");
            props.setProperty("mail.transport.protocol", "smtp");
            props.put("mail.host", "smtp.xx.163.com");
            props.setProperty("mail.smtp.port", "465");
            props.setProperty("mail.smtp.socketFactory.class", "javax.net.ssl.SSLSocketFactory");
            props.setProperty("mail.smtp.socketFactory.fallback", "false");

            // 发件人的账号
            props.put("mail.user", mailUser);
            //发件人的密码
            props.put("mail.password", mailPassword);

            MailSSLSocketFactory sf = new MailSSLSocketFactory();
            sf.setTrustAllHosts(true);
            props.put("mail.smtp.ssl.enable", "true");
            props.put("mail.smtp.ssl.socketFactory", sf);

            // 构建授权信息，用于进行SMTP进行身份验证
            Authenticator authenticator = new Authenticator() {
                @Override
                protected PasswordAuthentication getPasswordAuthentication() {
                    // 用户名、密码
                    String userName = props.getProperty("mail.user");
                    String password = props.getProperty("mail.password");
                    return new PasswordAuthentication(userName, password);
                }
            };
            // 使用环境属性和授权信息，创建邮件会话
            Session mailSession = Session.getInstance(props, authenticator);
            // 创建邮件消息
            MimeMessage message = new MimeMessage(mailSession);
            // 设置发件人
            String username = props.getProperty("mail.user");
            InternetAddress form = new InternetAddress(username);
            message.setFrom(form);

            // 设置收件人
            InternetAddress toAddress = new InternetAddress(to);
            message.setRecipient(Message.RecipientType.TO, toAddress);

            // 设置邮件标题
            message.setSubject(title);

            // 设置邮件的内容体
            message.setContent(text, "text/html;charset=UTF-8");
            // 发送邮件
            Transport.send(message);
            return true;
        } catch (Exception e) {
            e.printStackTrace();
        }
        return false;
    }
}

注意：需要启动SpringBoot项目启动时调用接口，或者是定时任务（定时任务的话需要开启定时任务，在SpringBoot启动类中加上@EnableScheduling否则定时任务不起效果）。我这边用的是@PostConstruct时SpringBoot起启动就会调用发送。

@Autowired 

privatee MailUtil mailUtil;

@PostConstruct
public void test(){
    mailUtil.sendMail(xx,xx,xx);
}