Is Email Port Checker free to use?

Yes, Email Port Checker is completely free with no registration required.

Is my data safe with Email Port Checker?

Yes. Most processing happens in your browser. Files uploaded for conversion are processed server-side and automatically deleted.

SMTP/IMAP Port Test

Mail Exchange Records

Check MX records for a domain's mail server configuration.

Sender Policy Framework

Validate SPF records for email sender authentication.

DomainKeys Identified Mail

Check DKIM records for email signature verification.

Domain-based Message Authentication

Validate DMARC records for email authentication policy.

SSL/TLS Connection Test

Test TLS/SSL handshake for mail server connections.