B
Evidence Grade B
Graded
accuracy verified by the review judge
Safe to Cite
Current
10%
10% -- inbox placement rate improvement for companies with properly configured DMARC (2026)
Companies with properly configured DMARC experience an average 10% improvement in inbox placement rates compared to companies without it.
Attribution:
View source
Lighthouse Research Team
Last verified:
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Source verified
Evidence graded
Value
10%
Unit
Percentage
Data Vintage
2026
Entity
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
20
Independence
30
Methodology
45
Freshness
95
Source
Email Deliverability Report
Primary
Tier B
https://upturnly.com/blog/cold-email-deliverability/ ↗
Source Article
The Ultimate Guide to Cold Email Deliverability in 2026
Cold email remains one of the most effective channels for B2B lead generation, but there's a catch: your emails need to actually reach the inbox. With email providers getting smarter and spam filters more aggressive, mastering deliverability has become non-negotiable for sales teams in 2026.
In this…
Original Research
Email Deliverability Report
· Original study ↗
Methodology
Quoted from 'Email Deliverability Report 2026'; original methodology not described
Methodology documented
Segmentation
IndustryMedia
RegionGlobal
RoleAll marketers
Channelemail
Cite this stat
Plain Text
companies with properly configured DMARC: 10% inbox placement rate improvement. Source: Email Deliverability Report (2026). Via Lighthouse Intelligence -- https://lighthousedata.io/data/dmarc-inbox-placement-improvement-2026
HTML Embed
<blockquote cite="https://lighthousedata.io/data/dmarc-inbox-placement-improvement-2026" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>10%</strong> -- inbox placement rate improvement for companies with properly configured DMARC<br><small>Source: Email Deliverability Report (2026) · <a href="https://lighthousedata.io/data/dmarc-inbox-placement-improvement-2026" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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