B
Evidence Grade B
Graded
accuracy verified by the review judge
Safe to Cite
Aging
0.3%
0.3% -- email spam complaint rate threshold for organizations sending mass emails (2024-01)
Google and Yahoo require mass email senders to keep their spam complaint / abuse report rate below 0.3% to avoid being blocked.
- Applies to organizations sending more than 5,000 emails a day through Google and Yahoo networks
Attribution:
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Lighthouse Research Team
Last verified:
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Source verified
Evidence graded
Value
0.3%
Unit
Percentage
Data Vintage
2024-01
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.
Score breakdown
Extraction
95
Source Trust
60
Citation Chain
20
Independence
30
Methodology
30
Freshness
95
Sources (4)
Google and Yahoo
Primary
Tier A
https://www.membrain.com/blog/is-winning-by-volume-in-its-death-throes ↗
Source Article
Is “Winning by Volume” In Its Death Throes?
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At the end of last year, both Google and Yahoo announced new restrictions on any organization sending more than 5,000 emails a day through their networks. These rules go into effect February 1, 2024 and will have a major impact on how compani…
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https://www.amraandelma.com/
2026-08-16
Original Research
Google and Yahoo
· Original study ↗
Segmentation
Industrymarketing
Cite this stat
Plain Text
organizations sending mass emails: 0.3% email spam complaint rate threshold. Source: Google and Yahoo (2024-01). Via Lighthouse Intelligence -- https://lighthousedata.io/data/google-yahoo-email-restrictions
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<blockquote cite="https://lighthousedata.io/data/google-yahoo-email-restrictions" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>0.3%</strong> -- email spam complaint rate threshold for organizations sending mass emails<br><small>Source: Google and Yahoo (2024-01) · <a href="https://lighthousedata.io/data/google-yahoo-email-restrictions" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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