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A self-hosted email server rebuilt with Claude

The author recreated their personal mail server setup from scratch with Claude's help.

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Credits

  • HN submitter jbrot Source ↗

Earliest dated source: 1 Feb 2026

The full story

In 2020 the author set up a personal email server on EC2 with OpenSMTPD, Rspamd and Dovecot. Years later, they used Claude to recreate the whole setup in NixOS, with better security and monitoring, and published the configuration so others can deploy it.

How it was done

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Sources

From the maker's own write-up or code. We summarise what they report; we haven't tested it ourselves.

  • Hacker News: Recreating My Email Server with ClaudeBlog or write-upjbrot.com

    The author's write-up.

  • Hacker News discussion (5 points)Forum threadnews.ycombinator.com
    HN submitter: jbrotPosted 1 Feb 2026

    The Hacker News thread.

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Prompt & Solder

An independent community project. Not affiliated with Anthropic.

What this is. Real projects where people used Claude to build, fix, port, revive or take apart something, from jailbroken Kindles to rebuilt DOS games, plus the times it went badly wrong. Every build links to where it was shared, and every source is listed here.

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