[pjmlp]

More like 1994 thereabouts, in 1984 most of us would be very lucky to have a dial up connection to the local BBS, under local phone call price rates.

[donio]

Not even that, Postfix didn't exist in 1994. This is a 2025 mail server setup and about as vanilla as it gets.

[ralferoo]

I first started maintaining a nail server in 1997. Most of the stuff in the article is newer than that.

For 1984, I'd have expected UUCP and bang paths to peer mail hosts. Instead the article starts off by setting up DKIM, from over 2 decades later!