Mailbox.org Review
Full-featured secure office suite with email, storage, and video conferencing.
Overview
Mailbox.org is a German secure email and office provider operated by Heinlein Support GmbH. It targets private individuals, businesses, and public sector clients who require a secure, ad-free, and comprehensive digital workspace. The service provides a full cloud office environment including email, calendar, contacts, tasks, cloud storage (Drive), and online document/spreadsheet editors. It also includes integrated, secure video conferencing. Mailbox.org offers easy-to-use browser-based PGP encryption via its "Guard" feature, which also allows for encrypting incoming mail on the server. The service emphasizes security with DANE authentication, IP stripping, and regular third-party certifications.
Key Features
- Integrated office suite: email, calendar, contacts, tasks, storage
- Built-in video conferencing (@meet)
- Guard feature for easy browser-based PGP
- Full IMAP/SMTP, CalDAV, CardDAV, ActiveSync support
- DANE authentication for enhanced security
- Anonymous cash payment option
- 100% renewable energy powered
- Business admin features and team collaboration
- Strong data portability - no vendor lock-in
- Advanced multi-stage spam and virus protection
Pros
- Complete secure office suite with email, storage, and video conferencing
- Strong support for open standards ensures no vendor lock-in
- Excellent security features and German privacy protection (GDPR)
- Scales for both individual and business users
- Powered by green energy
Cons
- Not a fully zero-knowledge provider
- User interface less polished than some competitors
- Lacks dedicated mobile applications
Pricing
Technical Details
- Encryption
- OpenPGP, Server-side encryption
- Storage
- 2GB - 100GB
- Headquarters
- Germany