In order to use PKIoverheid properly, message recipients MUST meet the requirements for the receiving party described in the PKIoverheid Programma van Eisen (PKIoverheid Requirements), refer to https://www.logius.nl/ondersteuning/pkioverheid/aansluiten-als-csp/programma-van-eisen/.
The following aspects are important:
So called "TEST certificaten"
Know and trust all valid domain and TSP certificates under the PKIo hierarchy, refer to https://cert.pkioverheid.nl/, with the exception of the folowing domains: