B
Evidence Grade B
Graded
accuracy verified by the review judge
Safe to Cite
Recent
0.1%
0.1% -- spam complaint rate for Cold outbound email campaigns (deliverability benchmark) (2025)
Cold outbound email spam complaint rate must stay under 0.1% to maintain domain and inbox health.
- Represents a recommended maximum threshold/benchmark ('must stay under 0.1%') rather than an empirical measured aggregate.
Attribution:
View source
Lighthouse Research Team
Last verified:
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Source verified
Evidence graded
Value
0.1%
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
75
Source Trust
60
Citation Chain
20
Independence
30
Methodology
45
Freshness
95
Source
ScaliQ
Primary
Tier B
https://scaliq.ai/blogs/build-ai-powered-outbound-machine-scaliq-repliq-notiq ↗
Source Article
Build a Complete AI Sales Outreach Platform for Scalable Outbound
How to Build a Complete AI-Powered Outbound Machine With ScaliQ + RepliQ + NotiQ
Scaling outbound is no longer a copywriting problem—it is an engineering problem.
For years, sales development representatives (SDRs) relied on brute force: more emails, more calls, more activity. Today, AI-first revenu…
Original Research
ScaliQ
· Original study ↗
Methodology
Vendor-recommended deliverability threshold, not measured industry aggregate
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
Cold outbound email campaigns (deliverability benchmark): 0.1% spam complaint rate. Source: ScaliQ (2025). Via Lighthouse Intelligence -- https://lighthousedata.io/data/spam-complaint-rate-benchmark-0-1-percent
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<blockquote cite="https://lighthousedata.io/data/spam-complaint-rate-benchmark-0-1-percent" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>0.1%</strong> -- spam complaint rate for Cold outbound email campaigns (deliverability benchmark)<br><small>Source: ScaliQ (2025) · <a href="https://lighthousedata.io/data/spam-complaint-rate-benchmark-0-1-percent" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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