Australian regulator ACMA advanced preparations for the introduction of anti-scam measures on SMS by advising users of the visual changes involved.

ACMA lined up the introduction of SMS Sender ID Register rules for 1 July and stated it would mean some messages are labelled as unverified to alert consumers to potential scams.

Unverified messages are to be grouped in a single thread to draw attention to them.

ACMA member Samantha Yorke believes the measures will boost consumer confidence in the legitimacy of messages and “help prevent impersonation scams”.

She advised people to be cautious about messages tagged as unverified and check for proven contact information online or using bills.

The regulator is acting after scammers took Australians for almost AUD18 million ($12.7 million) using SMS in 2025.

It stated almost 17,000 sender IDs have already been verified, but Yorke warned businesses which do not get their details in by the launch date risk being flagged as potential scams.

She said operators are also set to publicise the move to their customers directly.

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