No I have'nt come across such issue, but it is worth
dumping the environment variables and checking the form field names. Ofcourse you can use Data::Dumper
Why are you importing ':standard'? Do not mix OO and function style use of CGI.pm. You're probably using the param function, and it's already read the form data.
MJDsays "you can't just make shit up and expect the computer to know what you mean, retardo!"