On Sat, 2 May 2020, Michael De Roover wrote:
Even if your ISP allows it, chances are that other mail servers will
reject it
Nope, not always.
My residential-class static IP mail server has never had problems
delivering mail. I've checked it many times over the years on many
blacklist checkers and never had anything but green lights.
Of course I have met all the email best practices for years: SPF, DKIM,
reverse pointer, etc.
Even though email is not secure, I still feel better knowing that emails
end up in MY server via opportunistic TLS transport. and not in some
Yahoo's or surveillance capitalist's data store.
Underlying all this are my own DNSSEC-enabled BIND servers, of course.
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