InboxOK
Email watchdog fixing delivery issues before the spam folder
InboxOK launched on August 13, 2026 with 2 votes, #5,788 of 23,274 launches that month.
What it does
Hey Product Hunt! 👋 After my newsletter records broke silently, I built InboxOK: a daily background watchdog for email domain infrastructure. What it does: • Auto-checks SPF/DKIM/DMARC & 14 blacklists daily. • Emails exact DNS fixes within 6 hours of a change. • Built solo using Claude Code + Deepseek on FastAPI, Next.js & Railway. Flat pricing (1/5/10/50 domains). Free tier included. Live at inboxok.com. Love your technical feedback!
InboxOK monitors SPF, DKIM, DMARC, and blacklists — 24/7. Free forever for 1 domain.
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Make senders work to get into your inboxJul 2026 · captchainbox.com · ▲44Hi 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 filters are struggling. There used to be a useful signal in email: the effort a sender put into customizing a message was a rough proxy for how relevant it actually was. AI killed that. Now it's customized slop with the appearance of effort with none of the cost. It is painful that the open internet / open channels…
CheckEmailDeliveryMar 2026 · checkemaildelivery.comEmail deliverability audit + AI writer. Free. 60 seconds.
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