I wonder if this will turn into the "Do Not Call" list situation, which advertisers seem to download and use as their "Call List" because it's just so easy and accessible.
Confirm your email is valid, and then add it to the list of "continue to spam" accounts.
I'm sure there's a better way to do it but I try to give each vendor (especially slimy ones) a unique email address:
Dailyburn@mylastname.io
When they start spamming I set up a filter to hard block anything going to that address.
Good lord! This is my second "opsec" reply on this - what a statement on how shitty it is to try and engage in commerce when you need to cover your tracks like you're committing a crime...barf.
Confirm your email is valid, and then add it to the list of "continue to spam" accounts.