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

@Data
public class MailVo {
  private String id;
  private String from;
  private String to;
  private String subject;
  private String text;
  private Date sentDate;
  private String cc;
  private String bcc;
  private boolean status;
  private String error;
  @JsonIgnore
  private MultipartFile[] multipartFiles;
}

 @Override
  public void sendMimeMail(MailVo mailVo) {
    try {
      MimeMessageHelper mimeMessageHelper = new MimeMessageHelper(javaMailSender.createMimeMessage(), true);
      mailVo.setFrom(javaMailSender.getJavaMailProperties().getProperty("from"));
      mimeMessageHelper.setFrom(mailVo.getFrom());
      mimeMessageHelper.setTo(mailVo.getTo().split(","));
      mimeMessageHelper.setSubject(mailVo.getSubject());
      mimeMessageHelper.setText(mailVo.getText());
      if (!StringUtils.isEmpty(mailVo.getCc())) {
        mimeMessageHelper.setCc(mailVo.getCc().split(","));
      }
      if (!StringUtils.isEmpty(mailVo.getBcc())) {
        mimeMessageHelper.setBcc(mailVo.getBcc().split(","));
      }
      if (!StringUtils.isEmpty(mailVo.getSentDate())){
        mailVo.setSentDate(new Date());
        mimeMessageHelper.setSentDate(mailVo.getSentDate());
      }
      // 如果有附件
      if (mailVo.getMultipartFiles() != null) {
        for (MultipartFile file : mailVo.getMultipartFiles()) {
          mimeMessageHelper.addAttachment(file.getOriginalFilename(),file);
        }
      }
      // 發(fā)送
      javaMailSender.send(mimeMessageHelper.getMimeMessage());
      mailVo.setStatus(true);
      logger.info("發(fā)送郵件成功：{}->{}", mailVo.getFrom(), mailVo.getTo());
    } catch (MessagingException e) {
      e.printStackTrace();
    }
  }