How to stop 'Lifelock 'Privacy Monitor' Emails?

Even though I unchecked;
□ Email me product updates, offers, and security newsletters
   We will continue to send you information relating to your orders, account updates, Automatic Renewal service and important security alerts regardless of this setting."

I continually receive junk emails about my info on dark web to get me to subscribe to Lifelock. I will NEVER subscribe to Lifelock, It was a horrible scam when the previous owner had it and lost his own guarantee. So the name of "lifelock" indicates a scam to me, A con, HOW do I keep IMPORTANT norton account emails while blocking any sales tactic email if I have already unchecked the spam inclusion checkbox? I'm so sick of Norton Selling me on something.