B
Evidence Grade B
Graded
under review
Safe to Cite
Current
0.1%
0.1% -- email spam complaint rate benchmark for Email marketing campaigns (spam complaint rate) (2026)
Attribution:
View source
Lighthouse Research Team
Last verified:
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Source verified
Evidence graded
Value
0.1%
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.
Score breakdown
Extraction
75
Source Trust
60
Citation Chain
20
Independence
30
Methodology
45
Freshness
95
Sources (2)
Cakemail
Primary
Tier B
https://www.cakemail.fr/blog/post/why-is-my-email-in-the-junk-folder ↗
Source Article
Pourquoi mon e-mail se trouve-t-il dans le dossier de courrier indésirable #$*& ? - Blogue de Cakemail
Même le pape, s'il s'occupait d'e-mail marketing, se poserait cette question de temps en temps (même s'il l'aurait formulée un peu différemment). Ce n'est pas le premier article que je consacre à ce sujet, mais il vaut toujours la peine d'y revenir, car il s'agit de l'un des plus gros problèmes auxq…
Also cited by
ecommerceboost.io
https://ecommerceboost.io/uncategorized/why-email-marketing/
2026-09-24
Original Research
Cakemail
· Original study ↗
Methodology
Cakemail blog guidance: spam complaint rates above 0.1% exceed what ISPs judge acceptable; threshold recommendation consistent with common postmaster standards.
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
Email marketing campaigns (spam complaint rate): 0.1% email spam complaint rate benchmark. Source: Cakemail (2026). Via Lighthouse Intelligence -- https://lighthousedata.io/data/cakemail-spam-complaint-threshold
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<blockquote cite="https://lighthousedata.io/data/cakemail-spam-complaint-threshold" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>0.1%</strong> -- email spam complaint rate benchmark for Email marketing campaigns (spam complaint rate)<br><small>Source: Cakemail (2026) · <a href="https://lighthousedata.io/data/cakemail-spam-complaint-threshold" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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