Activation emails for Simplybiz are annoying. Stop it.

Why do you send us dozens of emails to sign up with Simplybiz? Our mail box is flooded with your activation mails, which are seemly sent every minute. Is it by force to sign up with this Simplybiz? What happened to the POPI ACT? You are no different to those call centre agents that keeps ringing your phone. How do you make them stop? How do we make you guys stop?