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Proton Mail brings quantum-safe email encryption to all accounts
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Proton Mail brings quantum-safe email encryption to all accounts


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Post-quantum protection is now available as an optional feature in Proton Mail across all plans, including the free tier. How post-quantum protection works Once enabled, …

First seen on helpnetsecurity.com

Jump to article: www.helpnetsecurity.com/2026/05/06/proton-mail-post-quantum-protection-feature/

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