B
Evidence Grade B
Graded
under review
Safe to Cite
Current
0.25%
0.25% -- spam complaint rate threshold for Rule email marketing platform customer accounts (email campaigns) (2026)
Attribution:
View source
Lighthouse Research Team
Last verified:
·
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Source verified
Evidence graded
Value
0.25%
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
Rule (Rule Communication – Nordic AB)
Primary
Tier A
https://www.rule.io/anti-spam/ ↗
Source Article
Rule anti-spam policy
At Rule, we take permits very seriously. By creating an account with Rule and accepting our terms of use, you also accept our policy against spam.
The law is not enough, it’s permission that counts
Although the CAN-SPAM laws are a step in the right direction to reduce the spam problem, we feel that …
Original Research
Rule (Rule Communication – Nordic AB)
· Original study ↗
Methodology
Platform-enforced termination threshold: accounts receiving spam complaints above 0.25% of recipients (stated as 25 complaints per 10,000 recipients) are terminated; Rule describes the figure as generous to account for false spam reports.
Methodology documented
Segmentation
Industrymarketing
Cite this stat
Plain Text
Rule email marketing platform customer accounts (email campaigns): 0.25% spam complaint rate threshold. Source: Rule (Rule Communication – Nordic AB) (2026). Via Lighthouse Intelligence -- https://lighthousedata.io/data/rule-email-spam-complaint-rate-threshold-0-25
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<blockquote cite="https://lighthousedata.io/data/rule-email-spam-complaint-rate-threshold-0-25" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>0.25%</strong> -- spam complaint rate threshold for Rule email marketing platform customer accounts (email campaigns)<br><small>Source: Rule (Rule Communication – Nordic AB) (2026) · <a href="https://lighthousedata.io/data/rule-email-spam-complaint-rate-threshold-0-25" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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