It is maybe off-topic but few days ago I was lamenting to myself that I'd hoped Coursera would stop sending spam or do a proper setting where I can definitively

It is maybe off-topic but few days ago I was lamenting to myself that I'd hoped Coursera would stop sending spam or do a proper setting where I can definitively opt-out from all their emails (and I'm not speaking about emails for an enrolled course). This is really bad I think, especially from an organization with such a noble cause.