At the moment we are using MC suppression lists to avoid emails being sent to a blacklist we have. The issue is that we would now like to have three different lists of emails to whom we should never send an email.
I guess suppression lists is not the way to go because in a
Send Email event only one can be referenced, but I do not know for certain. Here below is where we reference it (in the Email Send configuration):
I would like to know how this use case is usually approached, or if there is any workaround for the given problem.