HMRC never contacts customers who are due a refund by email. It only ever sends such a letter by post.
Similarly, it’s worth knowing that HMRC never contacts taxpayers about refunds by telephone, and never uses external companies regarding refunds.
More information can be found at:
If you’ve had an HMRC email or text message you suspect isn’t genuine report it here [email protected]
If HMRC needs to contact you about anything confidential they’ll reply by phone or post.
HMRC never send notifications of a tax rebate or ask you to disclose personal or payment information by email or text message.