Spring Boot Mail QQ企业邮箱无法连接解决方案

package com.chenpeng.cpeducloud.service.impl;
import lombok.extern.slf4j.Slf4j;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.core.io.FileSystemResource;
import org.springframework.mail.SimpleMailMessage;
import org.springframework.mail.javamail.JavaMailSender;
import org.springframework.mail.javamail.MimeMessageHelper;
import org.springframework.messaging.MessagingException;
import org.springframework.stereotype.Service;
 
import com.chenpeng.cpeducloud.base.WebConstants;
import com.chenpeng.cpeducloud.service.MailService;
import com.chenpeng.cpeducloud.util.Constants;
import com.chenpeng.cpeducloud.util.DateUtils;
import com.chenpeng.cpeducloud.util.StringUtils;
 
import javax.mail.internet.MimeMessage;
import java.io.File;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
 
/**
 
/**auth : szy
 *time : 2019-05-16
 **/
@Service
@Slf4j
public class MailServiceImpl implements MailService {
 
  @Autowired
  private JavaMailSender mailSender;
 
  @Value("${mail.formSender}")
  private String sender;// 发送者
 
  @Value("${mail.formMobile}")
  private String formMobile;// 联系电话
   
  /**
   * 发送简单邮件(收件人，主题，内容)
   */
  @Override
  public void sendSimpleMail(String to, String subject, String content) {
    SimpleMailMessage message = new SimpleMailMessage();
    message.setFrom(sender);
    message.setTo(to);
    message.setSubject(subject);
    message.setText(content);
    try {
      mailSender.send(message);
      log.info("简单邮件发送成功！");
    } catch (Exception e) {
      log.info("发送简单邮件时发生异常！"+e);
    }
  }
 
 
  /**
   * 发送Html邮件(收件人，主题，内容)
   */
  @Override
  public void sendHtmlMail(String to, String subject, String content) {
    MimeMessage message = mailSender.createMimeMessage();
    try {
      MimeMessageHelper helper = null;  //true表示需要创建一个multipart message
      try {
        helper = new MimeMessageHelper(message, true);
        message.setFrom(sender);
        helper.setTo(to);
        helper.setSubject(subject);
        helper.setText(content, true);
        mailSender.send(message);
        log.info("html邮件发送成功");
      } catch (javax.mail.MessagingException e) {
        e.printStackTrace();
      }
 
    } catch (MessagingException e) {
      log.info("发送html邮件时发生异常！"+e);
    }
  }
 
  /**
   * 发送带附件的邮件
   * @param to
   * @param subject
   * @param content
   * @param filePath
   */
  @Override
  public void sendAttachmentsMail(String to, String subject, String content, String filePath){
    MimeMessage message = mailSender.createMimeMessage();
 
    try {
      MimeMessageHelper helper = null;
      try {
        helper = new MimeMessageHelper(message, true);
        message.setFrom(sender);
        helper.setTo(to);
        helper.setSubject(subject);
        helper.setText(content, true);
 
        FileSystemResource file = new FileSystemResource(new File(filePath));
        String fileName = filePath.substring(filePath.lastIndexOf(File.separator));
        helper.addAttachment(fileName, file);
        //helper.addAttachment("test"+fileName, file);
 
        mailSender.send(message);
        log.info("带附件的邮件已经发送。");
      } catch (javax.mail.MessagingException e) {
        e.printStackTrace();
      }
 
    } catch (MessagingException e) {
      log.info("发送带附件的邮件时发生异常！"+e);
    }
  }
 
 
  /**
   * 发送Html邮件(收件人，主题，内容),
   * 带多附件
   */
  @Override
  public void sendHtmlMailAndAttachments(String[] to,String[] cc, String subject, String content, List<String> files) {
    MimeMessage message = mailSender.createMimeMessage();
    try {
      MimeMessageHelper helper = null;  //true表示需要创建一个multipart message
      try {
        helper = new MimeMessageHelper(message, true);
        message.setFrom(sender);
        helper.setTo(to);
        helper.setCc(cc);
        helper.setSubject(subject);
        helper.setText(content, true);
 
        for (String filePath : files){
          FileSystemResource file = new FileSystemResource(new File(filePath));
          String fileName = filePath.substring(filePath.lastIndexOf(File.separator));
          helper.addAttachment(fileName, file);
        }
        mailSender.send(message);
        log.info("html邮件发送成功");
      } catch (javax.mail.MessagingException e) {
        e.printStackTrace();
      }
 
    } catch (MessagingException e) {
      log.info("发送html邮件时发生异常！"+e);
    }
  }
   
}

#邮箱配置
mail:
 host: smtp.exmail.qq.com
 username: 11111@qq.com
 password: 密钥不是密码
 default-encoding: utf-8
 port: 465
 properties:
  mail:
   smtp:
    auth: true
    ssl:
     enable: true
     socketFactory:
      class: com.sun.mail.util.MailSSLSocketFactory
      fallback: false
    starttls:
        enable: true
        required: true