Do you mean https://vscodium.com/ ?

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https://poolp.org/posts/2019-08-30/you-should-not-run-your-mail-server-because-mail-is-hard/

It’s not super easy, but it isn’t impossible either, especially nowadays with email deployment suites

• mailu.io
• iredmail.org
• mailcow.email

(I’m talking about the email part, hosting at home would also bring other issues e.g. availability, you would need a VPN to route it from a non-residential IP, etc)

Thank you for posting this, this is fun! 😊

There is also zellij, which can do the same but also has modern functionality specific for development workspaces!

(Although screen or tmux will still probably be more widely available on remote machines etc)