Can companies send marketing emails after I unsubscribe in Australia?
No, companies cannot legally send you marketing emails after you unsubscribe in Australia. Under the Spam Act 2003, businesses have a maximum of five working days to honor your unsubscribe request. Continuing to send commercial messages after this period is illegal and subject to heavy fines.
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How it works in practice
The Spam Act 2003
In Australia, the sending of commercial electronic messages is strictly regulated by the Spam Act 2003. This federal law is enforced by the Australian Communications and Media Authority (ACMA) and applies to all businesses sending marketing emails, text messages, and instant messages.
Unsubscribe Requirements
Under the law, every commercial electronic message must contain a functional and clear unsubscribe facility. Once you use this facility to opt out, the business is legally obligated to stop sending you marketing communications.
The Five-Day Rule
Businesses are granted a maximum of five working days to process your unsubscribe request. During this brief window, you might still receive previously scheduled emails. However, once those five working days have passed, any further commercial messages are considered spam and are illegal.
Penalties for Non-Compliance
Companies that fail to honor unsubscribe requests face severe consequences. ACMA actively investigates consumer complaints and can issue formal warnings, infringement notices, or pursue court action. In recent years, several high-profile Australian businesses have been fined millions of dollars for breaching these spam laws and continuing to email unsubscribed customers.
Important exceptions
There are a few specific exceptions to Australia's spam laws. The rules primarily target commercial messages designed to offer, advertise, or promote goods or services.
Messages that are purely factual or service-related—such as receipts, shipping notifications, password resets, or important account updates—are exempt and do not require an unsubscribe link.
Additionally, registered charities, educational institutions (sending to current or former students), and government bodies are permitted to send certain types of messages without an unsubscribe facility, provided the content relates directly to their core public services.
What you should do now
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Keep a record or screenshot of the exact date and time you submitted your unsubscribe request.
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Wait five working days to allow the company the legally mandated time to process your opt-out.
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Check the sender's email address and message content to confirm it is a commercial marketing email rather than a factual service notification.
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Contact the business directly to politely remind them that you have unsubscribed and request immediate removal from their mailing list.
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Submit a formal spam complaint to the Australian Communications and Media Authority (ACMA) online if they continue emailing you.
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