These seem to be weekends. Maybe consumer-oriented email services (Outlook, Google, whatever) use TLS more often than those built for businesses? While this doe

These seem to be weekends. Maybe consumer-oriented email services (Outlook, Google, whatever) use TLS more often than those built for businesses? While this doesn’t make much sense, it only takes a couple of providers to switch a large number of consumers to encrypted email transports, whereas each little server operated for each little business has to be switched individually.