B
Evidence Grade B
Graded
accuracy verified by the review judge
Safe to Cite
Current
90%
90% -- inbox placement rate for Email senders completing IP warming campaigns (2026)
An IP warming campaign is considered complete when sending at full volume achieves stable inbox placement rates above 90%.
- Benchmark completion threshold ('above 90%') rather than an observed empirical average
Attribution:
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Lighthouse Research Team
Last verified:
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Source verified
Evidence graded
Value
90%
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
Stated completion criterion for an IP warming campaign: send at full intended volume 'with stable inbox placement rates above 90%'.
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
Email senders completing IP warming campaigns: 90% inbox placement rate. Source: Email Industries (2026). Via Lighthouse Intelligence -- https://lighthousedata.io/data/inbox-placement-rate-completion-threshold
HTML Embed
<blockquote cite="https://lighthousedata.io/data/inbox-placement-rate-completion-threshold" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>90%</strong> -- inbox placement rate for Email senders completing IP warming campaigns<br><small>Source: Email Industries (2026) · <a href="https://lighthousedata.io/data/inbox-placement-rate-completion-threshold" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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