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Time to get serious with E2E encrypted messaging
(techcrunch.com)
This is a most excellent place for technology news and articles.
In the 1990s US ISPs would "give you" an e-mail account with their service: you@isp.com. Of course, this is insta-lockin for that e-mail address, you can never port it.
Owning your own domain name and running e-mail service through that worked, for a few years, but the big players have made whitelist / blacklist such a frustrating whack-a-mole game in the e-mail space that running your own e-mail server quickly became impractical.