I have a set of names I give to different providers. Advertisers always assume a name is constant and email addresses can change. I got a name saying 'Hi John

I have a set of names I give to different providers. Advertisers always assume a name is constant and email addresses can change. I got a name saying 'Hi John I just want to xyz' I can skip this email as they used a fake name. Works better than other methods I have found.