I'm also receiving these emails, but didn't realize anything was different because my email is ready for people to accidently sign up with. Please, if you are

I'm also receiving these emails, but didn't realize anything was different because my email is ready for people to accidently sign up with. Please, if you are implementing an email confirmation process, include a way to say "this is not me". Someone has been periodically trying to activate their account in some website, and the no way for me to make it stop.