Your "Content-Base" header field has the following data:

"http:/www.hotwired.com/frontdoor/index.html"
       ^

Unfortunately, that's not a correct URL, since it's missing a slash.

Please fix that, so that my mailers may recognize your MIME text/html
messages properly.

Sincerely,
Bradley Ward Allen <[log in to unmask]>

Inclusions:
- The message I referenced and responded to;
- Reference to an Internet Draft work in progress which may need work
  (cc'd to the therein mentioned mailing list).