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…
> despite sending an email being an utterly trivial, long solved problem. It is absolutely not. Even if you are not considering the whole spam thing. Sending an email with the multitude of clients, MIME which is very complex in itself, network issues, message queuing, retries, unsubscription, bounces, providers feedback loops, rate limiting and what not is very hard. If you add the whole spam folder + blacklists situ…
I can send a message to my address in 2020 using a 2003 Fedora Core 1 box without a domain using only what's part of the POSIX standard, and I'll receive it just fine.
I just did a few days ago, actually. It even got past my provider's spam filter.
I could probably have done it using earlier software than 2003-era mail/mailx, but that was the quickest way I could find to send an attachment given the software on hand.