POST Packages should be left open for customs officials. Airmail to Western Europe takes 3 to 5 days. However women should still dress and act modestly. Good network of roads exists but vehicle needs to be in good working order and plenty of water and supplies should be taken on journeys. Services are efficient and cheap.
International companies are available from hotels.
The military keep a low profile and you are unlikely to experience anything but friendliness and hospitality. It is very important that Muslim beliefs and local customs are respected. Your Passport to Safer Travel gives practical tips and advice for travelling independently around the world - safely.