mehmet-kozan/email-domain-check: An all-in-one email domain verification library with built-in support for DNS, MX, SPF, SMTP, DKIM, DMARC, BIMI, TLSRPT and MTA-STS checks
Created 1/12/2026 at 12:47:23 AM • Edited 1/12/2026 at 12:47:43 AM
A comprehensive email domain validation library. Supports DNS, MX, SPF, SMTP, DKIM, DMARC, BIMI, TLSRPT and MTA-STS.
MX record validation SMTP server connection testing DKIM record lookup DMARC policy validation MTA-STS support (RFC 8461) IPv4/IPv6 support Local IP blocking DNS failover resolvers Punycode/IDN support TypeScript support
dnssmtpcodeemail
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