So under the guise of spam protection, we have created an oligopoly of email gateways, despite sending an email being an utterly trivial, long solved problem, and now those companies are putting the squeeze on. The best part about this particular item on the list of "things that have only gotten worse over time": they charge companies more to deliver what is essentially spam, and they conspired to make that spam show…
Then why do companies need transactional email providers?