B
Evidence Grade B
Graded
accuracy verified by the review judge
Safe to Cite
Dated
20%
20% -- email inbox delivery failure rate for legitimate business emails (2023)
20% of legitimate emails never make it to the recipient's inbox.
Attribution:
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Lighthouse Research Team
Last verified:
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Source verified
Evidence graded
Value
20%
Unit
Percentage
Data Vintage
2023
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
60
Citation Chain
60
Independence
30
Methodology
45
Freshness
95
Source
Return Path
Primary
Tier C
https://noirdove.com/7-proven-remedies-to-fix-deliverability-issues/ ↗
Source Article
7 Proven Remedies to Fix Email Deliverability Issues
Ever wondered why exactly your carefully crafted email lands in the spam folder instead of your audience’s inbox? Even big brands with dedicated email marketing teams struggle with email deliverability issues. According to a 2023 report by Return Path, 20% of legitimate emails never make it to the i…
Original Research
Return Path
· Original study ↗
Methodology
Cited from a Return Path (now Validity) report; secondary citation on noirdove.com blog
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
legitimate business emails: 20% email inbox delivery failure rate. Source: Return Path (2023). Via Lighthouse Intelligence -- https://lighthousedata.io/data/legitimate-emails-not-reaching-inbox-2023
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<blockquote cite="https://lighthousedata.io/data/legitimate-emails-not-reaching-inbox-2023" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>20%</strong> -- email inbox delivery failure rate for legitimate business emails<br><small>Source: Return Path (2023) · <a href="https://lighthousedata.io/data/legitimate-emails-not-reaching-inbox-2023" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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