Type an email address to check its syntax. Syntax only — no DNS/MX lookup, no connection attempt, and no mail is ever sent. Runs entirely in your browser.
curl -sS -X POST https://devops.majbase.com/email-validator/api -H "Content-Type: application/json" -d '{"email":"jane.doe@example.com"}'
Returns {"valid", "local_part", "domain", "normalized"}, or {"valid": false, "error": "..."}.