B
Evidence Grade B
Graded
accuracy verified by the review judge
Safe to Cite
Current
58%
58% -- share of email opens with privacy protection for Apple Mail Privacy Protection (2026)
Apple Mail Privacy Protection covers approximately 58% of email opens globally based on Litmus data.
- Pre-fetches email content and registers an open event even when the subscriber has not opened the email
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Lighthouse Research Team
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Source verified
Evidence graded
Value
58%
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
75
Source Trust
60
Citation Chain
20
Independence
30
Methodology
45
Freshness
95
Source
Litmus
Primary
Tier B
https://mailcleanup.com/email-segmentation/ ↗
Source Article
Email Segmentation: 6 Types, Strategies & Examples [2026]
If you are sending the same email to every person on your list, you are not running an email marketing programme. You are running a broadcast. The distinction matters because your subscribers are not a single audience. They are a collection of people at different stages, with different needs, differ…
Original Research
Litmus
· Original study ↗
Methodology
Litmus data cited in guide
Methodology documented
Segmentation
Industrymarketing
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Plain Text
Apple Mail Privacy Protection: 58% share of email opens with privacy protection. Source: Litmus (2026). Via Lighthouse Intelligence -- https://lighthousedata.io/data/mpp-58pct-email-opens
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<blockquote cite="https://lighthousedata.io/data/mpp-58pct-email-opens" style="border-left:3px solid #2563eb;padding:12px 16px;margin:16px 0;font-family:system-ui,sans-serif;background:#f0f4ff;"><strong>58%</strong> -- share of email opens with privacy protection for Apple Mail Privacy Protection<br><small>Source: Litmus (2026) · <a href="https://lighthousedata.io/data/mpp-58pct-email-opens" target="_blank" rel="noopener">Lighthouse Intelligence</a></small></blockquote>
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