Charities are being urged to ignore emails purporting to come from the Fundraising Regulator offering them gift certificates.
The regulator tweeted on Friday that it had been alerted by Women's Aid Integrated Services, a domestic abuse charity in Nottingham, about the fraudulent emails.
A spokeswoman said: "We were alerted to a fraudulent email that purported to come from our Fundraising Preference Service.
"The email claimed to offer recipients a gift certificate. This did not come from the Fundraising Regulator and we do not ever offer gift certificates or similar rewards.
"We are advising all those who received it to delete this email."
We're aware some people are receiving emails claiming to be from 'FPS Have Your Say' and offering a gift certificate. These emails aren't genuine. If you receive one, please delete it straightaway. (Thanks @WAISNottingham for letting us know about this!)— FundraisingRegulator (@FundrRegulator) November 23, 2018
The regulator warned earlier this year that charities had received fraudulent emails from people posing as the regulator and demanding money for the FPS.
Charities should not be asked to pay specifically towards the cost of the FPS by the Fundraising Regulator. It is funded through the regulator’s voluntary levy, which major fundraising charities have been asked to pay.