Email Security Checker
Verify email domain security configuration including SPF, DKIM, DMARC, MTA-STS, TLS-RPT, and BIMI. Get a comprehensive security assessment for your email infrastructure.
Enter an email address or domain to check its security configuration
What We Check
MX Records
Mail server configuration
SPF/DKIM/DMARC
Email authentication protocols
MTA-STS
Transport security
BIMI
Brand authentication
Why Check Email Security?
Email remains the primary vector for cyberattacks. Proper security configuration protects your organization from phishing, spoofing, and ensures email deliverability.
Frequently Asked Questions
What is MTA-STS?
Mail Transfer Agent Strict Transport Security (MTA-STS) enforces TLS encryption for email delivery, preventing downgrade attacks.
What is TLS-RPT?
TLS Reporting (TLS-RPT) provides reports about TLS connection failures, helping you identify and fix email delivery issues.
What is BIMI?
Brand Indicators for Message Identification (BIMI) displays your logo next to authenticated emails, increasing trust and visibility.
How do I improve my score?
Start with SPF, DKIM, and DMARC. Once these are configured, add MTA-STS and TLS-RPT for encryption, then consider BIMI for branding.