Mailbox.org
EU-basedMailbox.org
EU-basedMailbox.org is an encrypted email and productivity service developed by Heinlein Hosting GmbH, a German company. It is typically used for professional team communication and collaboration, combining email with calendar, contacts, video conferencing, cloud storage, and an integrated office suite. The provider is based in Berlin and focuses on data sovereignty, with all servers operating exclusively in German data centres.
Details
Vendor: Heinlein Hosting GmbH
Country: Germany
Software type: Office Suite
Alternative to: Google Workspace, Microsoft 365
Typical use: Professional team communication and collaboration for individuals, businesses, schools, and public authorities that want a privacy-first workspace. Combines email with calendar, contacts, video conferencing, cloud storage, and an integrated online office suite. Custom domain support is available. All data is hosted in Germany, with no data transmitted abroad.
Intended fit: Solopreneurs, Small teams, SMEs, Non-technical users
EU focus: All servers operate exclusively in German data centres in Berlin, supplied with renewable energy. No data is transmitted abroad. Holds both the “Software made in Germany” and “Software hosted in Germany” seals from BITMi (2025). Independent German company with no non-EU shareholders.
Status: EU-based
This profile provides structured information only and does not constitute a recommendation. Check the provider’s own documentation for current pricing, features, hosting details, and contractual terms.