Resolve a domain's MX records and optionally run a real SMTP RCPT probe to check a mailbox exists — without sending anything. Best-effort (servers greylist/catch-all), great for catching dead domains. Node only.
Install
$ npm install @lacspace/email-verify
Quick example
@lacspace/email-verifyts
await verifyEmail(email, { checkSmtp: false })
Returns { mxFound: true }
Looking for the complete API and more examples? The npm page and GitHub README carry the full reference — or grab the PDF.