Get your taxes done using TurboTax

Sounds like a scam to me. The IRS uses the postal service. Your W-2 has information that someone can use to steal your identity and file a fake return in your name. I would forward any e-mail to [email address removed] .

How Do You Report Suspected Tax Fraud Activity?

• Quick reference chart outlines how to report suspected tax fraud activity in different situations.
• State ID Theft Resources - State information on what to do if you or your employees are victims of identity theft. 
• Employers and tax professionals should notify states of any disclosures of W-2s or other identity information by emailing [email address removed].

Source:

https://www.irs.gov/businesses/small-businesses-self-employed/tax-scams-how-to-report-them