B Evidence Grade B Safe to Cite Current

2% -- bounce rate threshold for email lists (2026)

Name: Bounce Rate Threshold Statistics
Creator: Lighthouse Intelligence
Published: 2026-08-19

2026 · SMTP.com

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Attribution: SMTP.com View source

Lighthouse Research Team

Last verified: 2026-08-25 · How we verify data →

Source verified Evidence graded

Value

Unit

Percentage

Data Vintage

2026

Entity

email lists

Evidence Quality

Strong, reliable evidence

Sourced from a well-regarded research firm or industry leader with transparent methodology and a reasonably large sample.

66/100 confidence

Score breakdown

Extraction

Source Trust

Citation Chain

Independence

Methodology

Freshness

Sources (5)

SMTP.com Primary Tier A

https://www.smtp.com/blog/technical/what-is-list-hygiene-and-why-does-it-matter/ ↗

Confidence: 91/100 Vintage: 2026 Channel: Deep Crawl

Source Article

What is list hygiene and why does it matter? - SMTP.com

Email list hygiene involves regularly cleaning your subscriber database by removing invalid, inactive, and problematic email addresses. This practice maintains sender reputation, improves deliverability rates, and ensures your messages reach engaged recipients. Poor list hygiene leads to bounces, sp…

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Original Research

SMTP.com · Original study ↗

Segmentation

Industrymarketing

Cite this stat

Plain Text

email lists: 2% bounce rate threshold. Source: SMTP.com (2026). Via Lighthouse Intelligence -- https://lighthousedata.io/data/email-list-hygiene-bounce-rate-threshold

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<blockquote cite="https://lighthousedata.io/data/email-list-hygiene-bounce-rate-threshold" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>2%</strong> -- bounce rate threshold for email lists<br><small>Source: SMTP.com (2026) · <a href="https://lighthousedata.io/data/email-list-hygiene-bounce-rate-threshold" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>

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