Short definition: Mechanisms that prevent forged sender identities in email.
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What it is
Email spoofing protections rely on SPF, DKIM, and DMARC to authenticate senders, prevent impersonation, and reject unverified messages.
Why it matters
Phishing and BEC attacks often rely on forged email identities. Strong DNS authentication blocks most spoofing attempts.
How to reduce risk
- Configure SPF correctly
- Enable DKIM signing
- Set DMARC to "reject"
- Review DMARC reports
- Disable unauthenticated legacy protocols
Related Terms
- Phishing
- Credential Leakage
- Quarantine Email Security