B
Evidence Grade B
Graded
accuracy verified by the review judge
Safe to Cite
Recent
0.3%
0.3% -- email unsubscribe rate for re-engagement email sequence (higher-education client) (2025)
The re-engagement email sequence for a higher-education client achieved an unsubscribe rate of 0.3%.
- Sent to a cold list of 25,000 subscribers
Attribution:
View source
Lighthouse Research Team
Last verified:
·
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Source verified
Evidence graded
Value
0.3%
Unit
Percentage
Data Vintage
2025
Entity
Sample Size
25,000
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
Ethical Emails
Primary
Tier B
https://www.ethicalemails.co/post/from-a-cold-list-to-203k-in-revenue-in-less-than-2-months-using-ze… ↗
Source Article
[Case study] From a cold list to $203k in revenue in less than 2 months - using zero fake urgency
[Case study] From a cold list to $203k in revenue in less than 2 months - using zero fake urgency
Updated: Jan 5
When most people hear “$203k in under two months,” they imagine a lucky launch or an aggressive sales push.
It wasn’t.
It was strategy, patience, and a lot of behind-the-scenes groundwork…
Original Research
Ethical Emails
· Original study ↗
Methodology
Agency-reported campaign metric for re-engagement sequence
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
re-engagement email sequence (higher-education client): 0.3% email unsubscribe rate. Source: Ethical Emails (2025). Via Lighthouse Intelligence -- https://lighthousedata.io/data/reengagement-sequence-unsubscribe-rate
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<blockquote cite="https://lighthousedata.io/data/reengagement-sequence-unsubscribe-rate" 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 unsubscribe rate for re-engagement email sequence (higher-education client)<br><small>Source: Ethical Emails (2025) · <a href="https://lighthousedata.io/data/reengagement-sequence-unsubscribe-rate" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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