Update Liquor retailer Dan Murphy's has been hit by a hoax offer that claims friends and family of the business can buy alcohol at a 30 per cent discount.

The Woolworths-owned liquor seller confirmed there is a flyer circulating online that advertises the fake discount. The retailer warned consumers on its website that the offer is not valid.

The fake email that purports to offer big discounts at Dan Murphy's stores.

Have you been stung by a fake offer? Contact czappone@fairfax.com.au

“To avoid any disappointment, please be aware that a hoax flyer is being circulated that did not originate from Dan Murphy's or Woolworths Ltd,” the company said. “THIS OFFER IS NOT VALID.”