Eric Abrahamsen <eric@ericabrahamsen.net> writes:

[...]

> In a message composition buffer you can use the MML tag system to
> include an HTML "part" -- or have the whole message consist of HTML. In
> an empty message hit "C-c RET p", then pick text/html. You'll get a tag
> like this (this might actually put html into my message, don't know if
> it works over nntp):
>
> Some HTML text, unless it doesn't work.

Thank you, this is it.  It works fine if the whole mail is in HTML,
without generating the multipart/mixed stuff.

-- 
Carl Lei (XeCycle)
Department of Physics, Shanghai Jiao Tong University
OpenPGP public key: 7795E591
Fingerprint: 1FB6 7F1F D45D F681 C845 27F7 8D71 8EC4 7795 E591