Spam mail from Harold all the time

A certain ********** keep filling our inboxes with spam mail. I have repeatedly unsubscribed ( I never EVER subscribed!) and I have sent him e-mails again and again to take my name off the mailing list. I used Netflorist once about 4-5 years ago and it was a disaster so am NOT interested in their products. I would loved to know if they actually read mails and understand when people do NOT want their spam!