B
Evidence Grade B
Graded
accuracy verified by the review judge
Safe to Cite
Current
6%
6% -- dmarc preject policy rate for Domains with DMARC records (2026)
Among domains with DMARC records scanned by DMARCguard, 6.0% use a reject (p=reject) policy.
Attribution:
View source
Lighthouse Research Team
Last verified:
·
How we verify data →
Source verified
Evidence graded
Value
6%
Unit
Percentage
Data Vintage
2026
Entity
Sample Size
5,499,028
Geography
Global
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
60
Independence
30
Methodology
45
Freshness
95
Source
DMARCguard
Primary
Tier B
https://dmarcguard.io/blog/dmarc-policy-not-enabled-fix/ ↗
Source Article
DMARC Quarantine/Reject Policy Not Enabled: Fix It | DMARCguard
How to Fix “DMARC Quarantine/Reject Policy Not Enabled”
If your security scanner shows “DMARC quarantine/reject policy not enabled,”
your domain’s DMARC record exists but is not enforcing anything. The record uses
p=none
— a monitoring-only mode that collects reports while letting spoofed
emails rea…
Original Research
DMARCguard
· Original study ↗
Methodology
DMARCguard domain scan of 5,499,028 domains
Methodology documented
Segmentation
IndustryAll
RegionGlobal
RoleAll marketers
Channelcontent
Cite this stat
Plain Text
Domains with DMARC records: 6% dmarc preject policy rate. Source: DMARCguard (2026). Via Lighthouse Intelligence -- https://lighthousedata.io/data/dmarc-reject-rate-2026
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<blockquote cite="https://lighthousedata.io/data/dmarc-reject-rate-2026" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>6%</strong> -- dmarc preject policy rate for Domains with DMARC records<br><small>Source: DMARCguard (2026) · <a href="https://lighthousedata.io/data/dmarc-reject-rate-2026" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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