B
Evidence Grade B
Graded
accuracy verified by the review judge
Safe to Cite
Current
0.3%
0.3% -- complaint rate for Yahoo recipients (2026)
Yahoo sender requirements mandate keeping user complaint rates below 0.3% of messages delivered to the inbox.
- Represents the maximum complaint rate threshold required by Yahoo for bulk senders, rather than an observed complaint rate.
Attribution:
View source
Lighthouse Research Team
Last verified:
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Source verified
Evidence graded
Value
0.3%
Unit
Percentage
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
50
Source Trust
50
Citation Chain
60
Independence
30
Methodology
45
Freshness
95
Source
Suped
Primary
Tier C
https://www.suped.com/knowledge/email-deliverability/troubleshooting/how-to-fix-yahoo-deliverability… ↗
Source Article
How to fix Yahoo deliverability issues with high bounce rates?
How to fix Yahoo deliverability issues with high bounce rates?
The fix for Yahoo deliverability issues with high bounce rates is to stop treating the problem as a generic warmup problem. I split the bounces first, then fix the source of the bad Yahoo signals before increasing volume. A 421 4.7.0 res…
Original Research
Suped
· Original study ↗
Methodology
Calculated against messages delivered to the inbox.
Segmentation
Industrymarketing
Cite this stat
Plain Text
Yahoo recipients: 0.3% complaint rate. Source: Suped (2026). Via Lighthouse Intelligence -- https://lighthousedata.io/data/yahoo-complaint-rate-0-3-percent
HTML Embed
<blockquote cite="https://lighthousedata.io/data/yahoo-complaint-rate-0-3-percent" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>0.3%</strong> -- complaint rate for Yahoo recipients<br><small>Source: Suped (2026) · <a href="https://lighthousedata.io/data/yahoo-complaint-rate-0-3-percent" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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