B
Evidence Grade B
Graded
accuracy verified by the review judge
Safe to Cite
Aging
31%
31% -- inbox placement uplift for Domains with full email authentication (SPF, DKIM, DMARC) (2024)
Domains configured with full email authentication (SPF, DKIM, DMARC) see a 31% improvement in inbox placement rate compared to domains with SPF only.
Attribution:
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Lighthouse Research Team
Last verified:
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Source verified
Evidence graded
Value
31%
Unit
Percentage
Data Vintage
2024
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
Mailgun
Primary
Tier B
https://leadsblue.com/cold-email-open-rates-by-industry/ ↗
Source Article
Cold Email Open Rates By Industry In 2026 — Benchmark Data And What Actually Moves The Needle
The highest cold email open rate ever recorded in a published study wasn\’t from a tech company with a polished brand or a Fortune 500 sales team with a $200K outreach stack. It was a solo recruiter sending 47-word plain-text emails to passive candidates on a Tuesday morning who hit 68% opens consis…
Original Research
Mailgun
· Original study ↗
Methodology
Mailgun 2024 deliverability study
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
Domains with full email authentication (SPF, DKIM, DMARC): 31% inbox placement uplift. Source: Mailgun (2024). Via Lighthouse Intelligence -- https://lighthousedata.io/data/dmarc-inbox-placement-2024
HTML Embed
<blockquote cite="https://lighthousedata.io/data/dmarc-inbox-placement-2024" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>31%</strong> -- inbox placement uplift for Domains with full email authentication (SPF, DKIM, DMARC)<br><small>Source: Mailgun (2024) · <a href="https://lighthousedata.io/data/dmarc-inbox-placement-2024" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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