使用spring mail发送html邮件的示例代码

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序

本文展示一下如何使用spring mail来发送html邮件。

maven

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

发送图片

public void send(String from, String[] toMails, String subject, String text,
           Map<String,Object> inlines) throws Exception{
    MimeMessage mimeMessage = mailSender.createMimeMessage();
    MimeMessageHelper helper = new MimeMessageHelper(mimeMessage, true);
    helper.setFrom(from);
    helper.setTo(toMails);
    helper.setSubject(subject);
    helper.setText(text, true); //支持html

    // 增加inline
    if(inlines != null){
      for(Map.Entry<String,Object> entry: inlines.entrySet()){
        if(entry.getValue() instanceof ClassPathResource){
          helper.addInline(entry.getKey(), (Resource) entry.getValue());
        }

      }
    }

    mailSender.send(mimeMessage);
  }

测试

发送实例

    ClassPathResource classPathResource = new ClassPathResource("image_2.png");
    Map<String,Object> att = new HashMap<>();
    att.put("image",classPathResource);
    String content = "<html>
              <body>
                <h4>spring mail发送实例</h4>
                <img src='cid:image'/><br>
              </body>
             </html>";
    try{
      mailService.send(new String[]{"xxxxx@163.com"},"spring mail发送实例",content,att);
    }catch (Exception e){
      e.printStackTrace();
    }

异常

org.springframework.mail.MailSendException: Failed messages: com.sun.mail.smtp.SMTPSendFailedException: 554 DT:SPM 126 smtp7,DsmowAB3U6X1_LdZjIz+Aw--.26008S3 1505230070,please see http://mail.163.com/help/help_spam_16.htm?ip=123.65.107.103&hostid=smtp7&time=1505230070
; message exception details (1) are:
Failed message 1:
com.sun.mail.smtp.SMTPSendFailedException: 554 DT:SPM 126 smtp7,DsmowAB3U6X1_LdZjIz+Aw--.26008S3 1505230070,please see http://mail.163.com/help/help_spam_16.htm?ip=123.65.107.103&hostid=smtp7&time=1505230070

  at com.sun.mail.smtp.SMTPTransport.issueSendCommand(SMTPTransport.java:2267)
  at com.sun.mail.smtp.SMTPTransport.finishData(SMTPTransport.java:2045)
  at com.sun.mail.smtp.SMTPTransport.sendMessage(SMTPTransport.java:1260)
  at org.springframework.mail.javamail.JavaMailSenderImpl.doSend(JavaMailSenderImpl.java:448)
  at org.springframework.mail.javamail.JavaMailSenderImpl.send(JavaMailSenderImpl.java:345)
  at org.springframework.mail.javamail.JavaMailSenderImpl.send(JavaMailSenderImpl.java:340)

错误码554

554 DT:SPM 发送的邮件内容包含了未被许可的信息，或被系统识别为垃圾邮件。请检查是否有用户发送病毒或者垃圾邮件；

被网易邮箱识别为垃圾邮件了，有个歪招，就是把发送邮箱添加到cc里头