Post NL is a mail, parcel and e-commerce corporation with operations in the Netherlands, Germany, Italy, Belgium, and the United Kingdom. It provides universal delivery in the Netherlands and is publicly listed at Euronext Amsterdam. The company was known as TNT NV until TNT Express was separated from it in May 2011, and the remainder of the company was renamed PostNL.
Navigate to Connect > Carriers > Create Carrier > Post NL. Fill in the required details and click Create Carrier when finished.
Once you have connected to your carrier, you can start building your desired shipping rates with each of the services available on the carrier.
Navigate to Connect > Order channels > Select your channel > Add Shipping rate.