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Domain Spoofing Defense — Clarity Today

Topic

Domain Spoofing Defense

Preventing forged mail that appears to come from a domain, including subdomain spoofing left open by sp=none.

Current clusters

build1 distinct publisher

SPF and DMARC records that pass every free checker and stop nothing

Presence and enforcement are different questions, and the free checkers only answer the first. The switches that matter are the qualifier on SPF's all term and DMARC's p=, sp= and pct= tags.

Publishers:dev.to

Reality

Evidence60
Adoption: Insufficient
Hype gap+12
Incentives55

Confidence