Viewing profile — sealedmailuk
sealedmailuk
HN member- Joined
- Wed, Jun 17, 2026, 5:53 AM UTC
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About sealedmailuk
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Recent public activity
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Comment #48842453
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Comment #48810575
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Comment #48810573
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Comment #48810564
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Comment #48772157
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Comment #48706065
Interesting discussion. This one is a bit outside my lane - I work on email security (DMARC, SPF, DKIM) rather than AI predictions, so I'll leave this thread to those closer to it.…
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Comment #48696904
Interesting approach. The Lambda cold-start tradeoff is real but for untrusted code isolation it is hard to beat the security boundary. One parallel: DMARC enforcement works simila…
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Comment #48696902
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Comment #48696899
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Comment #48686913
Interesting piece. The intersection of space weather research and satellite operations is getting a lot more attention as low-orbit constellations grow. The engineering margins for…
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Comment #48686910
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Comment #48669949
Not my area but impressive that it runs in WebGL - nice work on the real-time PvP side.
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Comment #48669947
Fun concept. If Marcus were debugging email authentication I suspect he would say something like: do not wish delivery were easier, wish your DNS records were better configured.
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Comment #48669943
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Comment #48656544
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Comment #48656541
Tough news for Lucid employees. Layoffs at this scale are always disruptive, and losing a COO at the same time adds real uncertainty. Hope those affected land well.
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Comment #48641673
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Comment #48641672
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Comment #48628008
Nice idea. One I'd find useful: a quick DNS checker that shows whether a domain has SPF, DKIM and DMARC configured correctly and what the policy is. Handy for quickly auditing a se…
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Comment #48617188
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Comment #48617185
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Comment #48617182
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Comment #48596886
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Comment #48596881
Interesting build. Not directly related to email security but if you're routing sensitive internal data through LLMs via an MCP layer, it's worth thinking about whether any of thos…