The legal question comes first
Australia regulates online gambling through federal legislation and state-level rules, and the treatment of online poker has changed over the years. Whether and how you may take part is a question about your own jurisdiction and circumstances, and it is worth checking current official sources or getting proper advice rather than relying on a forum post.
No club can answer that for you, and any club that tells you the law "does not matter" is not one to trust with anything else either.