David,
Your Mailman settings seem correct for not stripping out HTML.
Have you confirmed that other users on your Debian machine get the HTML
mail correctly (your statement isn't clear on this)? I suspect
something else besides Mailman is involved.
Also, you might want to check the aliases fo
Dear Mailman Users,
I have setup mailman on a Debian woody machine with qmail. Everything
seems to be working correctly except for a few small details. The main
issue I am having right now is detailed below. The user is attempting
to send an HTML formatted email to the list. The received emai