Sniffmail
SniffMail verifies email addresses before they enter your system without sending a single email. One API call checks if the mailbox exists, detects disposable/temporary emails, flags full inboxes, and identifies catch-all domains. Built for developers: npm install, one function call, done. 10x cheaper than ZeroBounce and NeverBounce. 500 free verifications on signup, no credit card required.
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