Defend Against Email Spoofing

Do you know for certain that no one is spoofing your business by sending emails that appear to come from your domain?

Manage the Risk of Email Spoofing via SPF - DKIM - DMARC

Every organization can manage this risk by implementing a review of their DNS settings. Regularly reviewing your domain settings will help make your corner of the internet safer. After all, by the nature of email and the internet your DNS settings are publicly available and the bad guys can see them too.

Recommended strategies for "email spoofing" defense

We recommend a three pronged strategy to fight the risk of "email spoofing"
being used to phish your employees, vendors or customers.

  • Set a Sender Policy Framework
  • Explicitly include known domain senders
  • Explicitly exclude all other domain senders
  • If supported, utilize a DKIM key signature.
  • Set a DMARC policy
  • Monitor for false positive messages
  • Tighten DMARC policy over time

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