This "Incoming Transaction" was sent to my personal email.
It means your email address was leaked or sold and scammer managed to obtain or bought it. You might want to create new email address so you won't be bothered with annoying/scam email.
Anyone can download and use Blockchain.com logo. Besides, not using their official website/domain means the sender is impersonator. And this impersonator can't even spell "encrypted" correctly.
I don't have an account with Electrum.
As @nonce said, there's no such thing such as Electrum account since Electrum isn't online/web service.