Mailbox.org vs Proton Mail

Mailbox.org is a German-based email and office suite that prioritizes user privacy. It offers PGP encryption at rest, ensuring that emails and data are protected from unauthorized access. The suite includes features such as email, calendar, and document editing, all designed with security and privacy in mind.

Proton Mail is a secure, privacy-focused email service founded by CERN scientists and protected by strict Swiss privacy laws. It utilizes end-to-end encryption and zero-access encryption to ensure that even the provider cannot read user messages. The platform offers a seamless experience across web and mobile devices, featuring modern interfaces, custom domain support, and integrated calendar and drive services. Designed for individuals and organizations seeking ultimate data confidentiality, it removes ads and trackers from standard email workflows.

• High level of security and privacy
• PGP encryption at rest
• Compliant with strict German data protection laws
• Feature-rich office suite

• Strong Swiss legal protection and privacy jurisdiction
• Zero-access encryption means data cannot be handed over to third parties
• Ad-free experience with no tracking of user habits
• Open-source client apps audited by independent security experts

• No free tier; only a 30-day trial, with paid plans from EUR 1 per month
• Not as widely known as other email hosting solutions
• May require technical expertise to set up

• Free tier has strict storage limits and features disabled
• Metadata such as sender, recipient, and timestamps cannot be fully encrypted by email standards
• Paid subscription required for advanced features like custom domains and multiple addresses