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Featured in Domain Arrivals · 2026-08-08

SMTP Fox — Email Verification API

smtpfox.net ↗ · Developer Corner · score 79.0
Open: public page gives enough substance to understand the site $Paid: pricing, booking, ecommerce, subscription, or paid access is visible ADAds: visible ad load or ad-supported content Pretty: notable design, copy, craft, or presentation Pro: polished, finished-feeling, serious, or operationally mature Niche: specific audience, workflow, or unusually focused use case Human: personal, local, community, civic, handmade, or real-person signal !Suspicious: scammy, spammy, trust theater, finance fog, or credibility concern

An API that checks whether an email address appears deliverable through syntax, DNS, disposable-address, catch-all, and live SMTP checks.

Why it surfaced

SMTP Fox turns mailbox verification into a six-step audit, ending with a real SMTP handshake and a confidence score. Its public page includes a live-check demonstration, a curl request, batch and streaming endpoints, and a clear promise to discard checked addresses rather than store them.

The Fax Is Thinking

August 8’s newborn domains include a chatbot that replies only by fax, an Elmira tax analysis built from 1,689 sales, a map protecting Jeju divers’ precise fishing grounds, and 58 boxes catalogued into one uncle’s 1,113-book library.

This is one of 1,000 discoveries in the 2026-08-08 Domain Arrivals issue.