B
Evidence Grade B
Graded
accuracy verified by the review judge
Safe to Cite
Recent
47%
47% -- share of email domains without dmarc for email domains (2025)
47% of email domains analyzed in Barracuda's 2025 Email Threats Report have no DMARC configured.
Attribution:
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Lighthouse Research Team
Last verified:
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Source verified
Evidence graded
Value
47%
Unit
Percentage
Data Vintage
2025
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
95
Source Trust
60
Citation Chain
20
Independence
30
Methodology
45
Freshness
95
Source
Barracuda Networks
Primary
Tier A
https://www.captaindns.com/en/blog/barracuda-secure-email-gateway ↗
Source Article
Barracuda Email Gateway Defense: MX, SPF & DMARC Guide
Barracuda Email Gateway Defense: architecture, DNS configuration and alternatives
By CaptainDNS
Published on June 17, 2026
- 🛡️ Barracuda Email Gateway Defense (EGD) is the cloud SEG historically aimed at SMBs and MSPs, with more than 200,000 customers worldwide. It sits in front of Microsoft 365, G…
Original Research
Barracuda Networks
· Original study ↗
Methodology
Barracuda 2025 Email Threats Report finding
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
email domains: 47% share of email domains without dmarc. Source: Barracuda Networks (2025). Via Lighthouse Intelligence -- https://lighthousedata.io/data/email-domains-no-dmarc-2025
HTML Embed
<blockquote cite="https://lighthousedata.io/data/email-domains-no-dmarc-2025" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>47%</strong> -- share of email domains without dmarc for email domains<br><small>Source: Barracuda Networks (2025) · <a href="https://lighthousedata.io/data/email-domains-no-dmarc-2025" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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