Show HN: Captchainbox – make senders work to get into your inbox

By felixdoerp · 2026-07-06 · 3 points · 4 comments

https://www.captchainbox.com

Hi HN, The one thing AI reliably does is generate noise. Half the tools I see launch are just machines for producing more noise across more channels. And people are starting to see this in the form of emails in their inboxes as spam filters are struggling. There used to be a use…

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