I think they were using their catch-all for non-transactional/newsletter emails. I have a catch-all for websites and then another that I give to people to email

I think they were using their catch-all for non-transactional/newsletter emails. I have a catch-all for websites and then another that I give to people to email me on. This lets me see emails sent to me by a person easily while having separate email addresses for each site.