B
Evidence Grade B
Graded
under review
Safe to Cite
Current
2%
2% -- hard bounce rate for new sending domain (2026)
Attribution:
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Lighthouse Research Team
Last verified:
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Source verified
Evidence graded
Value
2%
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
95
Source Trust
60
Citation Chain
20
Independence
30
Methodology
45
Freshness
95
Source
emailindustries.com
Primary
Tier A
https://www.emailindustries.com/random/what-is-domain-warmup-in-email-marketing/ ↗
Source Article
What is domain warmup in email marketing?
Starting to send email from a new domain is one of the most critical moments in any email program. Get it right, and you build a strong sender reputation that keeps your messages landing in the inbox. Get it wrong, and you could face deliverability problems that take months to fix. Understanding dom…
Original Research
emailindustries.com
· Original study ↗
Methodology
Practical indicators that warmup is complete
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
new sending domain: 2% hard bounce rate. Source: emailindustries.com (2026). Via Lighthouse Intelligence -- https://lighthousedata.io/data/domain-warmup-complete-hard-bounce-rate
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<blockquote cite="https://lighthousedata.io/data/domain-warmup-complete-hard-bounce-rate" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>2%</strong> -- hard bounce rate for new sending domain<br><small>Source: emailindustries.com (2026) · <a href="https://lighthousedata.io/data/domain-warmup-complete-hard-bounce-rate" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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