Show HN: Make senders work to get into your inbox

By felixdoerp · 2026-07-15 · 34 points · 53 comments

https://www.captchainbox.com

Hi HN :) really excited to share this with you. 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 filte…

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