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Understand email tracking, end to end
Plain-language, technically and legally accurate guides — from what a tracking pixel is to your rights under the CNIL’s 2026 recommendation.
- Basics 5 min read
What is a tracking pixel?
How the invisible image in a marketing email reports that you opened it — and what it can and cannot see.
Learn more - Law 7 min read
What the CNIL's 2026 recommendation says
A plain-language summary of the French regulator's guidance on tracking pixels in email, and the law it rests on.
Learn more - Your rights 6 min read
Your rights: consent and withdrawal
What valid consent to email tracking looks like, and how withdrawing it should work in practice.
Learn more - Law 6 min read
Exempt vs. consent-based pixels
Not every pixel needs consent. Where the line sits between security/deliverability measures and marketing analytics.
Learn more - Technical 7 min read
How to read an email's headers
A field guide to the List-Unsubscribe and Authentication-Results headers, and what they tell you about a message.
Learn more - Technical 6 min read
What image blocking does (and doesn't) do
Why blocking remote images stops many pixels, why proxies are only a partial fix, and what still leaks.
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