本篇文章为大家展示了利用spring mail如何发送一个html邮件，内容简明扼要并且容易理解，绝对能使你眼前一亮，通过这篇文章的详细介绍希望你能有所收获。
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>
<h5>spring mail发送实例</h5>
<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
helper.setCc(from);
上述内容就是利用spring mail如何发送一个html邮件，你们学到知识或技能了吗？如果还想学到更多技能或者丰富自己的知识储备，欢迎关注亿速云行业资讯频道。
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