<![CDATA[I didn't know the history of X.400, an email transfer protocol with an impenetrable specification that could have delivered advanced features much earlier.]]>I didn't know the history of X.400, an email transfer protocol with an impenetrable specification that could have delivered advanced features much earlier.

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Email could have been X.400 times better

X.400 said what must be possible. SMTP said what must be done.

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(buttondown.com)

]]>https://board.circlewithadot.net/topic/c146aa05-f387-4cf0-944f-3465795ded9f/i-didn-t-know-the-history-of-x.400-an-email-transfer-protocol-with-an-impenetrable-specification-that-could-have-delivered-advanced-features-much-earlier.RSS for NodeFri, 15 May 2026 00:38:19 GMTSun, 26 Apr 2026 10:07:10 GMT60<![CDATA[Reply to I didn't know the history of X.400, an email transfer protocol with an impenetrable specification that could have delivered advanced features much earlier. on Sun, 26 Apr 2026 11:39:54 GMT]]>@chrisgervais Likewise.

]]>https://board.circlewithadot.net/post/https://oldbytes.space/users/amoroso/statuses/116470814748990206https://board.circlewithadot.net/post/https://oldbytes.space/users/amoroso/statuses/116470814748990206Sun, 26 Apr 2026 11:39:54 GMT<![CDATA[Reply to I didn't know the history of X.400, an email transfer protocol with an impenetrable specification that could have delivered advanced features much earlier. on Sun, 26 Apr 2026 11:38:56 GMT]]>@amoroso I only remember hearing about it but never actually knowing what it was. The Exchange connection makes sense as the addressing scheme looks like LDAP. I wonder if X.400 can be routed over the internet for a project 🧐

]]>https://board.circlewithadot.net/post/https://hachyderm.io/users/chrisgervais/statuses/116470810999996347https://board.circlewithadot.net/post/https://hachyderm.io/users/chrisgervais/statuses/116470810999996347Sun, 26 Apr 2026 11:38:56 GMT<![CDATA[Reply to I didn't know the history of X.400, an email transfer protocol with an impenetrable specification that could have delivered advanced features much earlier. on Sun, 26 Apr 2026 11:03:57 GMT]]>@thias I heard about the protocol back then but didn't experience it or know its background.

]]>https://board.circlewithadot.net/post/https://oldbytes.space/users/amoroso/statuses/116470673422778683https://board.circlewithadot.net/post/https://oldbytes.space/users/amoroso/statuses/116470673422778683Sun, 26 Apr 2026 11:03:57 GMT<![CDATA[Reply to I didn't know the history of X.400, an email transfer protocol with an impenetrable specification that could have delivered advanced features much earlier. on Sun, 26 Apr 2026 10:46:46 GMT]]>@amoroso I remember, I was there, 5000 years ago, at the university of Geneva we used a program that supported both protocols.

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EanGUI and X.400

When I was at the University, the classical email system defined in RFC 733, RFC 822, and others had not yet won: there was another competing standard, called X.400, to handle both systems, there w…

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Thias の blog (wiesmann.codiferes.net)

]]>https://board.circlewithadot.net/post/https://mastodon.social/users/thias/statuses/116470605823030241https://board.circlewithadot.net/post/https://mastodon.social/users/thias/statuses/116470605823030241Sun, 26 Apr 2026 10:46:46 GMT