It sounds like you are not using the CGI module. If you use CGI, it will take care of all that headache for you.

Now, you say you have the sending part working; if so, fine. However, you might want to consider using the WWW::Mechanize module to handle the nitty-gritty of talking to cgi forms.

jdporter
The 6th Rule of Perl Club is -- There is no Rule #6.