I have simple solution for that. If the newsletter doesn't stop and keeps coming, I would just cancel my email address amzn1@mydomain and open another one amzn2

I have simple solution for that. If the newsletter doesn't stop and keeps coming, I would just cancel my email address amzn1@mydomain and open another one amzn2@mydomain. If the spam persists, I just move business elsewhere. As simple as that.