What the DMARC?

A small app to explain DMARC and SPF records.

By Ryan Cao

Import DNS records

DMARC

RFC 7489
  • Requested Mail Receiver policy (none, quarantine, or reject) is required.
  • DKIM verification not configured, defaulting to Relaxed
  • SPF verification not configured, defaulting to Relaxed
  • Default to generating a DMARC failure report if all underlying authentication mechanisms fail to produce an aligned "pass" result.
  • Default to applying this policy to 100% of emails

SPF

RFC 7208