mailbox - 2026 Pricing, Features, Reviews & Alternatives

Mailbox provides a unified platform that combines secure email, cloud storage, video conferencing and office productivity applications into a single digital workspace. The platform delivers a GDPR compliant environment tailored for businesses, public authorities and private individuals seeking digital sovereignty and data protection. The service design reflects stringent data privacy standards and accommodates a variety of organizational requirements.

The email component offers an ad free messaging service with support for custom domain names and multiple aliases. All messages are protected by end-to-end encryption and secure communication protocols with optional PGP support. Advanced filtering mechanisms mitigate spam and virus threats. The cloud storage module ensures file safety through encryption during storage and transmission with redundant storage across two independent data locations. Users can share and collaborate on documents within the familiar office suite interface for text documents, spreadsheets and presentations. The integrated calendar and task manager facilitate event scheduling and to do list management with shareable calendars and central contact management. The video conferencing feature supports meeting setup with a streamlined workflow designed for productive interactions.

All data is hosted in certified data centres located in Germany under strict European data protection laws. Security is further enhanced with two factor authentication and anonymous registration options. Standard protocols such as IMAP and POP provide compatibility with third party email clients. An administrative module enables centralized management of user accounts and access rights.