On Wednesday 06 May 2015 13:42:43 andre_debian@... wrote:
> You have the choice with Kmail : HTML or text.

No, you don't.  You can have the text, only in a plain text email or a correct 
multipart one.  An HTML email can be shown as rendered HTML, which I can't 
read, or the underlying HTML source code.  Which I can't read.

Lisi