I tried to make a donation to Mozilla. Why does it have incorrect address details which caused my donation to fail ?
This may be related to other fails when trying to make online purchases. You do not seem to be able accept the post code for my New Zealand billing address. The postal code I use is the correct one - you may need to review your database, or the source for it.
Alla svar (1)
If you chose the option on the left (credit card), the card processing is handled by a company called Stripe (https://stripe.com/). I looked briefly at their support and didn't see any useful information on postcode formatting issues.