Hi,
Today Bricksn'Web released a new payment method plugin specifically for Australia Post - SecurePay.
Single and Multi site url licenses are available to purchase. Please register to ensure immediate delivery.
Please find more information about it here: https://www.bricksnweb.com
We welcome your feedback please submit your comments on the Bricksn'Web Forum page at https://www.bricksnweb.com/boards
You can find the plugin on the Extensions page here: https://www.nopcommerce.com/p/1876/bricksnweb-securepay.aspx