I've had this dumb report too many times, and Bruce has finally tipped me over the edge. @npub1rqsm...83hv is a real service that looks up email addresses in actual data breaches, but some people don't understand what an email address actually is

Troy Hunt

Why Does Have I Been Pwned Contain "Fake" Email Addresses?

Normally, when someone sends feedback like this, I ignore it, but it happens often enough that it deserves an explainer, because the answer is real...