Email security

Validate DMARC, SPF and DKIM records for brand security.

Corporate email security is a core layer that helps prevent domain impersonation and fake messages to your customers.

AuthorizationOwnership approval
PriorityCVSS + business impact
DeliveryEvidence-led report

Positioning

How email security is interpreted

VefaSec DNS and email security checks evaluate SPF, DKIM, DMARC, MX and DNSSEC signals together.

01

SPF scope

Authorized mail-sending servers are checked for correct definition.

02

DKIM validation

Signing infrastructure and selector logic are reviewed with domain strategy.

03

DMARC policy

none, quarantine and reject policies are interpreted for brand impersonation and delivery risk.

Control output

  • SPF, DKIM, DMARC, MX and DNSSEC summary
  • Remediation guidance for missing or weak policies
  • Email spoofing risk assessment
  • Follow-up guidance for domain security

SEO cluster

General security topic cluster

Frequently Asked Questions

Can email be sent without DMARC?

Yes, but domain impersonation and delivery trust risks increase.

Should DMARC reject be enabled immediately?

Usually reporting and monitoring come first, then the policy is tightened gradually.