html - Perl internal server error when using Email::valid -

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i noticed i'm getting internal server error 500 when try use email::valid in cgi script. i'm newbie in this, i'm not able understand problem may be. i'm trying write simple form validator using email::valid validate email addresses, when try put line

use email::valid;

it gives me error. here's complete code:

#!c:\xampp\perl\bin\perl.exe  use email::valid; use cgi;   $query = new cgi; print $query->header ( );  $nome = $query->param("nome"); $email_address = $query->param("email"); $website = $query->param("website"); $comments = $query->param("messaggio");  $nome = filter ( $nome ); unless( email::valid->address($email_address) ) {     $email_address = "invalid email address"; } $website = filter ( $website ); $comments = filter ( $comments );   print "nome: $nome<br>"; print "email: $email_address<br>"; print "sito: $website<br>"; print "$comments<br>";  print <<end_html; <html> <head></head> <body>thanks filling in our form!</body> </html> end_html   sub filter {   $field = shift;   $field =~ s/from://gi;   $field =~ s/to://gi;   $field =~ s/bcc://gi;   $field =~ s/cc://gi;   $field =~ s/subject://gi;   $field =~ s/content-type://gi;   $field =~ s/[\0\n\r\|\!\/\<\>\^\$\%\*\&]+/ /g;   return $field; }

when using code without email::valid, works fine!

#!c:\xampp\perl\bin\perl.exe  use cgi;   $query = new cgi; print $query->header ( );  $nome = $query->param("nome"); $email_address = $query->param("email"); $website = $query->param("website"); $comments = $query->param("messaggio");  $nome = filter ( $nome ); $email_address = filter ( $email_address ); $website = filter ( $website ); $comments = filter ( $comments );   print "nome: $nome<br>"; print "email: $email_address<br>"; print "sito: $website<br>"; print "$comments<br>";  print <<end_html; <html> <head></head> <body>thanks filling in our form!</body> </html> end_html   sub filter {   $field = shift;   $field =~ s/from://gi;   $field =~ s/to://gi;   $field =~ s/bcc://gi;   $field =~ s/cc://gi;   $field =~ s/subject://gi;   $field =~ s/content-type://gi;   $field =~ s/[\0\n\r\|\!\/\<\>\^\$\%\*\&]+/ /g;   return $field; }

after searching, found perl server running through xampp didn't install modules successfully. decided switch strawberry running smoothly! problem xampp , module installation.

thanks suggestions , people


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