B
Evidence Grade B
Graded
accuracy verified by the review judge
Safe to Cite
Recent
99%
99% -- spam flag reduction rate for DKIM-signed emails (2025)
Emails signed with DKIM are 99% less likely to be marked as spam by major providers.
Attribution:
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Lighthouse Research Team
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Source verified
Evidence graded
Value
99%
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
50
Source Trust
60
Citation Chain
20
Independence
30
Methodology
45
Freshness
95
Source
nureply.com
Primary
Tier C
https://nureply.com/blog/dkim-lookup-how-to-check-email-authentication-for-your-domain/ ↗
Source Article
DKIM Lookup: How to Check Email Authentication for Your Domain
DKIM Lookup: How to Check Email Authentication for Your Domain
Quick Answer
To perform a DKIM lookup, you need to input your domain and selector into a DKIM checking tool, using the format “domain:selector” (e.g., example.com:email). This will allow you to validate that your DKIM records are properl…
Original Research
nureply.com
· Original study ↗
Methodology
Unspecified research cited by author
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
DKIM-signed emails: 99% spam flag reduction rate. Source: nureply.com (2025). Via Lighthouse Intelligence -- https://lighthousedata.io/data/dkim-emails-99pct-less-spam
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<blockquote cite="https://lighthousedata.io/data/dkim-emails-99pct-less-spam" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>99%</strong> -- spam flag reduction rate for DKIM-signed emails<br><small>Source: nureply.com (2025) · <a href="https://lighthousedata.io/data/dkim-emails-99pct-less-spam" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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