Convincing tax e-mail scam doing the rounds

One of our regular readers Doreen contacted the Gurn this afternoon she told us:

"Received a very authentic looking email this morning from HMRC informing me that. I was due a tax rebate of £1600 and giving me the option to click button 'Repay me now'.
I checked with my accountant who tells me they NEVER contact anyone by email. So be aware....if it looks too good to be true, it usually is and this is a scam.
Regards
Doreen"