'OVERSIZE' => 1,
   );
my %mailtypes = (
     'package'                  => 1,
     'postcards or aerogrammes' => 1,
     'matter for the blind'     => 1,
     'envelope'                 => 1,
     );

my $error_msg = 'USPS: ';
my $origin = $opt->{origin} || $::Variable->{USPS_ORIGIN} || $::Variable->{UPS_ORIGIN};
my $destination = $opt->{destination} || $::Values->{zip} || $::Variable->{SHIP_DEFAULT_ZIP};
my $userid = $opt->{userid} || $::Variable->{USPS_ID};
my $passwd = $opt->{passwd} || $::Variable->{USPS_PASSWORD};
my $url = $opt->{url} || $::Variable->{USPS_URL} || 'http://Production.ShippingAPIs.com/ShippingAPI.dll';