Please use <code> tags around your code. Then it would look like this:

#!/usr/bin/perl -w
use strict;
use CGI;

my $cgi = CGI->new();

my $certpath    = "/path/to/where/you/store/certs";
my $sendmail    = "/path/to/smime-0.7/send.pl"; #comes w/ smime for yo
+ur convenience
my $smime       = "/path/to/smime-0.7/smime";
my %cert        = (
                   'chrisprosser@earthlink.net' => "$certpath/chrispro
+sser_earthlink_net.pem"
                  );
my $to          = $cgi->param('to')      || 'your@defaultaddr.com';
my $from        = $cgi->param('email')   || 'your@defaultuseradder.com
+';
my $subject     = $cgi->param('subject') || "Encrypted Email";

my @field = $cgi->param();
my $message = undef;

# Loop through any of the fields sumbit to cgi
foreach(@field) {
        my $field = $_;
           $field =~ s/_/ /go;
        $message .= "$field".("."x(15-length($_ +1)).": ".$cgi->param(
+$_)."\n\n";
}

{
   open(TXT, "|$smime -m text/html | $smime -e $cert{$to} | $sendmail 
+'$subject' $to $from >/dev/null");
      local $/=undef;
      print TXT $message;
   close(TXT);
}

exit;
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