這裡記錄一下QQ企業郵箱發郵件問題,因為之前遇到過一種情況是本地測試沒問題,結果線上出現問題

Couldn't connect to host,port: smtp.qq.com,25; timeout -1

要使用企業郵箱生成的授權密碼.

這裡只要是因為QQ郵箱預設埠是465,需要修改為SSL配置

java程式碼

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;// 傳送者
 
  @Value("${mail.formMobile}")
  private String formMobile;// 聯絡電話
   
  /**
   * 傳送簡單郵件(收件人，主題，內容)
   */
  @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("簡單郵件傳送成功！");
    } catch (Exception e) {
      log.info("傳送簡單郵件時發生異常！"+e);
    }
  }
 
 
  /**
   * 傳送Html郵件(收件人，主題，內容)
   */
  @Override
  public void sendHtmlMail(String to,String content) {
    MimeMessage message = mailSender.createMimeMessage();
    try {
      MimeMessageHelper helper = null;  //true表示需要建立一個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郵件傳送成功");
      } catch (javax.mail.MessagingException e) {
        e.printStackTrace();
      }
 
    } catch (MessagingException e) {
      log.info("傳送html郵件時發生異常！"+e);
    }
  }
 
  /**
   * 傳送帶附件的郵件
   * @param to
   * @param subject
   * @param content
   * @param filePath
   */
  @Override
  public void sendAttachmentsMail(String to,String content,String filePath){
    MimeMessage message = mailSender.createMimeMessage();
 
    try {
      MimeMessageHelper helper = null;
      try {
        helper = new MimeMessageHelper(message,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("帶附件的郵件已經發送。");
      } catch (javax.mail.MessagingException e) {
        e.printStackTrace();
      }
 
    } catch (MessagingException e) {
      log.info("傳送帶附件的郵件時發生異常！"+e);
    }
  }
 
 
  /**
   * 傳送Html郵件(收件人，主題，內容),* 帶多附件
   */
  @Override
  public void sendHtmlMailAndAttachments(String[] to,String[] cc,List<String> files) {
    MimeMessage message = mailSender.createMimeMessage();
    try {
      MimeMessageHelper helper = null;  //true表示需要建立一個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郵件傳送成功");
      } catch (javax.mail.MessagingException e) {
        e.printStackTrace();
      }
 
    } catch (MessagingException e) {
      log.info("傳送html郵件時發生異常！"+e);
    }
  }
   
}

郵箱配置

#郵箱配置
mail:
 host: smtp.exmail.qq.com
 username: [email protected]
 password: 金鑰不是密碼
 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

以上就是本文的全部內容，希望對大家的學習有所幫助，也希望大家多多支援我們。