I am using Camel 1.6.1, but this holds true for 1.6.2-SNAPSHOT and 2.0.0..
It looks like Camel Mail Component does not set Content-ID mime header
correctly or probably assumption is that BodyPart will take care of it. As a
result embedded images in html body do not work ( img
src="cid:somename.img").
Currently Content-ID is set as -
//MailBinding.java
// add a Content-ID header to the attachment
messageBodyPart.addHeader("Content-ID", attachmentFilename.substring(4));
But according to RFC standards [http://www.ietf.org/rfc/rfc2392.txt],
Content-ID value should be enclosed with in angle brackets, so it should be
modified to-
//MailBinding.java
// add a Content-ID header to the attachment
messageBodyPart.addHeader("Content-ID", "<" +
attachmentFilename.substring(4) + ">");
Also, RFC standard mention that Content-ID should be globally unique but
Camel Mail just sets it to filename instead.
Also, below should be modified which incorrectly sets fileName inclusive of
"cid:", but expectation would be strip off "cid" off it, similar to
Content-ID
// Set the filename
messageBodyPart.setFileName(attachmentFilename);
Should be -
// Set the filename
messageBodyPart.setFileName(attachmentFilename.substring(4));
--
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