This "Incoming Transaction" was sent to my personal email. It showed up with an official Blockchain.com logo on the document and came from an email address:
transaction@encripyted-blockchain.com. I don't have an account with Electrum. My account is with a different blockchain platform.
Thanks. So, 'Electrum accounts' aren't a thing, either. This is 1000% confirmed to just be a scam email; report it as spam and kill it with fire. Do not click any links and if you have, check that your machine is still fine.
Case closed.