I enjoy the format of email newsletters and several use Mailchimp. For some reason, the email newsletters I have purposefully subscribed to and want to read are

I enjoy the format of email newsletters and several use Mailchimp. For some reason, the email newsletters I have purposefully subscribed to and want to read are going to the Promotions tab. I can see how that would be a problem. I understand the negative reaction to the word "marketing", but anything I don't want to see shouldn't show up in my Inbox at all as it should be flagged as Spam.