# set cookie stuff
$ua->cookie_jar(HTTP::Cookies->new(file => 'mycookies.txt',autosave => 1,hide_cookie2 => 1));

## get login page
# set custom HTTP request header fields
$req = HTTP::Request->new(GET => $url);
$req->content_type('application/x-www-form-urlencoded');

my $resp = $ua->request($req);
if ($resp->is_success) {
    $message = $resp->decoded_content;
    print "Received reply.\n"; #$message\n";
}