I unsubscribed from a company’s mailing list and then they added me to a new “unsubscribers” list and spammed me again. I then unsubscribed from that list and was added to another “unsubscriber” list. At least this new unsubscriber list was labelled “new”. That makes it so much better. /s*
Sometimes “friendly” “reminding” a company about the relevant laws does wonders, making them return such “display” of “attentiveness” in a more timely manner. (Translation: they reply faster if you threaten them with the specific law.)
In this case the Ley Federal de Protección al Consumidor, article 17, second paragraph got you covered: