B
Evidence Grade B
Graded
accuracy verified by the review judge
Safe to Cite
Aging
94%
94% -- email deliverability rate for emails sent through SMTP servers (2024)
Emails sent through SMTP servers have a 94% deliverability rate according to Return Path.
Attribution:
View source
Lighthouse Research Team
Last verified:
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Source verified
Evidence graded
Value
94%
Unit
Percentage
Data Vintage
2024
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
20
Independence
30
Methodology
45
Freshness
95
Source
Return Path
Primary
Tier C
https://labnify.com/blog/from-spam-to-inbox/ ↗
Source Article
From Spam to Inbox: Navigating the Ever-Changing Landscape of the SMTP
Imagine spending hours crafting the perfect email campaign, only to have it end up in someone’s spam folder. Frustrating, right? Well, you’re not alone. With the rise of advanced spam filters and constantly changing industry standards, navigating the world of SMTP services can feel like a never-endi…
Original Research
Return Path
· Original study ↗
Methodology
Study by Return Path, cited secondhand; text truncated
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
emails sent through SMTP servers: 94% email deliverability rate. Source: Return Path (2024). Via Lighthouse Intelligence -- https://lighthousedata.io/data/smtp-email-deliverability-rate
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<blockquote cite="https://lighthousedata.io/data/smtp-email-deliverability-rate" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>94%</strong> -- email deliverability rate for emails sent through SMTP servers<br><small>Source: Return Path (2024) · <a href="https://lighthousedata.io/data/smtp-email-deliverability-rate" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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