Proton Mail is officially "Get a free email account with privacy and encryption": the vendor cites the world's largest secure email service with over 100 million users across web, iOS, Android, and desktop.
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Secure Mail collection
Explore providers, articles, and companies related to Secure Mail for practical research and comparison.
Providers
StartMail is officially "Private, Secure and Encrypted Email You Can Trust", using encryption and customizable aliases to protect identity and data.
Soverin is officially a "Privacy-first email and workplace from the Netherlands", offering Mail Pro secure email and pitching itself as a sovereign alternative to US hyperscalers.
Runbox is officially "Sustainable, Private & Secure Email": hosted in Norway on 100% renewable energy, carbon-negative, ad-free, and protected by strict Norwegian privacy law.