B
Evidence Grade B
Graded
accuracy verified by the review judge
Safe to Cite
Aging
11.8%
11.8% -- email spam flag rate for Mailchimp-sent emails (independent deliverability tests) (2024-2025)
11.8% of emails sent via Mailchimp were flagged as spam in independent deliverability tests conducted in 2024-2025.
- Based on independent deliverability tests
Attribution:
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Lighthouse Research Team
Last verified:
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Source verified
Evidence graded
Value
11.8%
Unit
Percentage
Data Vintage
2024-2025
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
lucaattolini.com
Primary
Tier C
https://www.lucaattolini.com/email-marketing-mailchimp/ ↗
Source Article
Email Marketing Mailchimp: come funziona [2026] - Luca Attolini
L’email marketing Mailchimp è la scelta di default di migliaia di aziende italiane, non perché sia la migliore ma perché è la prima che hanno incontrato. L’email marketing Mailchimp poggia su una piattaforma generalista che, dopo l’acquisizione di Intuit, ha alzato i prezzi e ridotto le funzioni gra…
Original Research
lucaattolini.com
· Original study ↗
Methodology
Italian decimal comma (11,8%). Share of emails flagged as spam in independent tests 2024-2025, cited as 'dati aggregati, 2025'; original publisher undeterminable.
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
Mailchimp-sent emails (independent deliverability tests): 11.8% email spam flag rate. Source: lucaattolini.com (2024-2025). Via Lighthouse Intelligence -- https://lighthousedata.io/data/mailchimp-email-spam-flag-rate-2025
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<blockquote cite="https://lighthousedata.io/data/mailchimp-email-spam-flag-rate-2025" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>11.8%</strong> -- email spam flag rate for Mailchimp-sent emails (independent deliverability tests)<br><small>Source: lucaattolini.com (2024-2025) · <a href="https://lighthousedata.io/data/mailchimp-email-spam-flag-rate-2025" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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