Have you made a transaction recently, and from what if it's not a wallet that doesn't need an email to confirm or notify a transaction then it's a spam email to check if your email is active or leads you to their scam scheme.

And besides, there is no such thing as encrypted-blockchain.com it's not even online and it will show a blank page when accessing the site, the scammer only uses the domain name in their email to make it look legit.