B
Evidence Grade B
Graded
under review
Safe to Cite
Current
5%
5% -- critical bounce rate for Email Lists (2026)
Attribution:
View source
Lighthouse Research Team
Last verified:
·
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Source verified
Evidence graded
Value
5%
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.
Score breakdown
Extraction
95
Source Trust
50
Citation Chain
60
Independence
30
Methodology
30
Freshness
95
Sources (4)
Mailtrap
Primary
Tier A
https://mailfloss.storychief.io/automated-ways-make-email-address-valid-no-technical-skills ↗
Source Article
3 Automated Ways to Make Your Email Addresses Valid (No Technical Skills Needed)
Also cited by
triplewhale.com
https://www.triplewhale.com/
2026-08-18
startuphub.ai
https://www.startuphub.ai/
2026-08-18
amraandelma.com
https://www.amraandelma.com/
2026-08-18
Original Research
Mailtrap
· Original study ↗
Segmentation
Industrymarketing
Cite this stat
Plain Text
Email Lists: 5% critical bounce rate. Source: Mailtrap (2026). Via Lighthouse Intelligence -- https://lighthousedata.io/data/critical-bounce-rate-threshold
HTML Embed
<blockquote cite="https://lighthousedata.io/data/critical-bounce-rate-threshold" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>5%</strong> -- critical bounce rate for Email Lists<br><small>Source: Mailtrap (2026) · <a href="https://lighthousedata.io/data/critical-bounce-rate-threshold" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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