将MimeMessage对象消息转发为EML文件中附件的常规转发格式INSTEAD

时间:2019-04-18 23:42:33

标签: java javamail eml email-forwarding

基本上,我正在尝试构造转发电子邮件,然后将其转换为EML文件。但是原始消息对象msg将作为附件而不是EML文件中的普通消息呈现。我尝试使用setContentgetDataHandler方法将其添加到多部分电子邮件中,但是没有运气。如果有人可以帮助我,我真的很感激。

P.S msg对象的实际内容为text/html格式,而不是text/plain

谢谢。

       MimeMessage forward = new MimeMessage(mailSession);

          // Fill in header
          forward.setSubject("Fwd: " + msg.getSubject());
          forward.setFrom(new InternetAddress(from));
          forward.addRecipient(Message.RecipientType.TO,new InternetAddress("toemail@ibm.com")); 
          forward.addRecipient(Message.RecipientType.CC,new InternetAddress("ccemail@gmail.com"));  


          // Create your new message part
            MimeBodyPart messageBodyPart = new MimeBodyPart();
            messageBodyPart.setContent(
                      "<html><body><h1>This is actual message embedded in HTML tags</h1></body></html>",
                     "text/html");

          // Create a multi-part to combine the parts
            MimeMultipart multipart = new MimeMultipart();
          multipart.addBodyPart(messageBodyPart);

          // Create and fill part for the forwarded content
          messageBodyPart = new MimeBodyPart();
          messageBodyPart.setDataHandler(msg.getDataHandler());
          //messageBodyPart.setContent(msg, "message/rfc822");

          // Add part to multi part
          multipart.addBodyPart(messageBodyPart);

          // Associate multi-part with message
          forward.setContent(multipart);



          // Send message
          Transport.send((Message)forward);
          System.out.println("message forwarded ....");

1 个答案:

答案 0 :(得分:0)

在添加messageBodyPart时,请将Part::setDisposition设置为INLINE

 ...
 messageBodyPart = new MimeBodyPart();
 messageBodyPart.setDataHandler(msg.getDataHandler());
 messageBodyPart.setDisposition(Part.INLINE); //<-- Not an attachment.
 //messageBodyPart.setContent(msg, "message/rfc822");
 ...