[opensuse] how to turn of multipart/html in the new kmail

Hi I'm trtying to use the new Kmail 1.9.52 but can't turn of the multipart messaging. I can turn offf html but where do I turn off multipart? It's the new kmail downloaded from Factory yesterday. Thanks -- To unsubscribe, e-mail: opensuse+unsubscribe@opensuse.org For additional commands, e-mail: opensuse+help@opensuse.org