It's a nice thought, but for me at least, marketing has ruined my trust in businesses, and my initial reaction to this email would be "buzz off, if I wanted to

It's a nice thought, but for me at least, marketing has ruined my trust in businesses, and my initial reaction to this email would be "buzz off, if I wanted to buy more of your stuff, I'd go to your site. Leave me alone." I don't know how you would do this without it looking like marketing spam.