There's usually a spam option when deciding what to do with the email @Anonymous User
There may also be an unsubscribe option within the body of the email.
And or log into your email account via a laptop etc and tag it as spam that way.
Daily Driver > Samsung Galaxy s²² Ultra 256Gb in Phantom Black.
The advice I offer is my own and does not represent Samsung’s position.
I have no affiliation with Samsung.