I did this a couple of years ago to my alma mater alumni association by sending an email to the president directly. So far I haven't gotten an email so I guess

I did this a couple of years ago to my alma mater alumni association by sending an email to the president directly. So far I haven't gotten an email so I guess it's working. In my case, every time I tried unsubscribing I'd get some kind of sql error showing up inlined in the html so it was even more frustrating.