You could print the "MIME-version: 1.0\nContent-type: text/html\n" headers there and hope, but you'd really rather use a module. MIME::Lite or Mail::Sender would make sending the email much easier.

Jenda
Always code as if the guy who ends up maintaining your code will be a violent psychopath who knows where you live.
   -- Rick Osborne

Edit by castaway: Closed small tag in signature