B
Evidence Grade B
Graded
accuracy verified by the review judge
Safe to Cite
Current
80%
80% -- inbox placement rate for Email senders during IP warming campaigns (2026)
An inbox placement rate dropping below 80% is considered a warning sign that an IP warming campaign is failing.
- Presented as a warning sign/threshold indicating that an IP warming campaign is failing.
Attribution:
View source
Lighthouse Research Team
Last verified:
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Source verified
Evidence graded
Value
80%
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.
Single source - not yet corroborated
Score breakdown
Extraction
50
Source Trust
60
Citation Chain
20
Independence
30
Methodology
45
Freshness
95
Source
Email Industries
Primary
Tier C
https://www.emailindustries.com/random/how-do-you-monitor-deliverability-during-an-ip-warming-campai… ↗
Source Article
How do you monitor deliverability during an IP warming campaign?
Launching a new IP address without a proper warm-up plan is one of the fastest ways to damage your sender reputation before you even get started. Internet service providers and mailbox providers treat new IPs with skepticism, and how you manage the early weeks of sending can determine whether your e…
Original Research
Email Industries
· Original study ↗
Methodology
Presented as a warning sign that an IP warming campaign is failing: 'inbox placement rates dropping below 80%'.
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
Email senders during IP warming campaigns: 80% inbox placement rate. Source: Email Industries (2026). Via Lighthouse Intelligence -- https://lighthousedata.io/data/inbox-placement-rate-failure-threshold-ip-warming
HTML Embed
<blockquote cite="https://lighthousedata.io/data/inbox-placement-rate-failure-threshold-ip-warming" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>80%</strong> -- inbox placement rate for Email senders during IP warming campaigns<br><small>Source: Email Industries (2026) · <a href="https://lighthousedata.io/data/inbox-placement-rate-failure-threshold-ip-warming" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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