I’m the IOTA Checkpoint for Australia, Indonesia, New Zealand, the Philippines and Pacific islands (Pacific Islands not elsewhere specified, namely not the French and US Pacific territories).
The preferred address to send your QSL cards for checking is:
Craig Edwards, PO Box 2160 Goolwa SA 5214, Australia
If your courier cannot send to a PO Box, you can send cards to:
Craig Edwards, c/- 126/24 Gardiner Street, Goolwa SA 5214, Australia
If you have any IOTA Checkpoint questions, please email me at firstname.lastname@example.org