camel-mail-binding is keeping too much of the mail information when consuming mail messages. This is what's seen in the console and in messages sent through the reference binding :

Received message with content
--001a11355afe9470fc04f839bbf3
Content-Type: text/plain; charset=UTF-8

bla

--001a11355afe9470fc04f839bbf3
Content-Type: text/html; charset=UTF-8

<div dir="ltr">bla</div>

-001a11355afe9470fc04f839bbf3-