+1 here.
We have the same issue with specific Contacts who want to not receive feedback surveys anymore, but they still request support tickets. Worse, we have this issue with support-based emails from property management companies that create an infinite loop and a mess for our CSRs.
Hey how’d we do" (from us), “Hey we got your ticket” (from the Contact),
Hey how’d we do" (from us), “Hey we got your ticket” (from the Contact),
Hey how’d we do" (from us), “Hey we got your ticket” (from the Contact),
…