B
Evidence Grade B
Graded
accuracy verified by the review judge
Safe to Cite
Current
12.8%
12.8% -- dmarc enforcement rate for organizations (email-sending domains) (2026)
According to DMARCguard data, the DMARC enforcement rate among assessed organizations/domains is 12.8%.
- Internal/proprietary dataset from DMARCguard with unstated methodology/sampling details
Attribution:
View source
Lighthouse Research Team
Last verified:
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Source verified
Evidence graded
Value
12.8%
Unit
Percentage
Data Vintage
2026
Entity
Evidence Quality
B
Strong, reliable evidence
Sourced from a well-regarded research firm or industry leader with transparent methodology and a reasonably large sample.
Single source - not yet corroborated
Score breakdown
Extraction
75
Source Trust
60
Citation Chain
20
Independence
30
Methodology
45
Freshness
95
Source
DMARCguard
Primary
Tier B
https://dmarcguard.io/learn/pci-dss/ ↗
Source Article
PCI DSS 4.0 DMARC Requirement [2026] | DMARCguard
PCI DSS 4.0 DMARC Requirement [2026]
PCI DSS v4.0 Section 5.4.1 requires anti-phishing controls including DMARC, SPF, and DKIM. Learn what changed, compliance deadlines, and how to implement.
PCI DSS v4.0.1 Section 5.4.1 requires anti-phishing controls — including DMARC, SPF, and DKIM — for every en…
Original Research
DMARCguard
· Original study ↗
Methodology
First-party data from DMARCguard; methodology not stated
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
organizations (email-sending domains): 12.8% dmarc enforcement rate. Source: DMARCguard (2026). Via Lighthouse Intelligence -- https://lighthousedata.io/data/dmarc-enforcement-12-8-percent
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<blockquote cite="https://lighthousedata.io/data/dmarc-enforcement-12-8-percent" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>12.8%</strong> -- dmarc enforcement rate for organizations (email-sending domains)<br><small>Source: DMARCguard (2026) · <a href="https://lighthousedata.io/data/dmarc-enforcement-12-8-percent" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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