B
Evidence Grade B
Graded
under review
Safe to Cite
Current
5,000
5,000 -- email database size spamtrap threshold for email databases (2026)
Attribution:
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Lighthouse Research Team
Last verified:
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Source verified
Evidence graded
Value
5,000
Unit
Count
Data Vintage
2026
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
Worldata
Primary
Tier B
http://www.worldata.com/wdnet8/articles/DatabaseTips.htm ↗
Source Article
Worldata
Original Research
Worldata
· Original study ↗
Methodology
Industry observation from Worldata
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
email databases: 5,000 email database size spamtrap threshold. Source: Worldata (2026). Via Lighthouse Intelligence -- https://lighthousedata.io/data/spamtrap-threshold-5000-addresses
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<blockquote cite="https://lighthousedata.io/data/spamtrap-threshold-5000-addresses" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>5,000</strong> -- email database size spamtrap threshold for email databases<br><small>Source: Worldata (2026) · <a href="https://lighthousedata.io/data/spamtrap-threshold-5000-addresses" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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