Scam and here is why:
In short - I'll tell you now and save you the trouble of the research it's a scam, they want you to connect your email to spam your emails with delivery's so they can grab your tracking numbers and steal your packages and info and sell your info and data and sell or keep your parcel the IP is suspicious and the website is dodgy. You can't unsubscribe easily and for a "Parcel Monitor" site why does it need e-commerce it literally screams "I'm a scam"