mailbox.org
by mailbox.org · 🇩🇪 Germany
mailbox.org is a paid email service from Heinlein Hosting GmbH of Berlin, bundling mail with calendar, contacts and an office suite. It is financed by subscriptions rather than advertising, and its security page points to recognition from the German Federal Office for Information Security.
How the EU-ness score breaks down
Each criterion is worth a fixed number of points, multiplied by how good the evidence is and how recently it was checked. Read the full rubric.
Where it is built
Not documented0 / 20 ptsWhere does the engineering team that builds this sit?
Data hosting
Not documented0 / 20 ptsIn which countries does customer data physically sit?
Company headquarters
Verified15 / 15 ptsHeadquartered in Germany
- mailbox.org · producer · checked 2026-10-09
“Heinlein Hosting GmbH, 10119 Berlin, Germany — registered at the District Court of Berlin-Charlottenburg, Germany, HRB 220010 B.”
- mailbox.org · producer · checked 2026-10-09
Ownership & control
Unverified0 / 20 ptsOwnership not established
Recorded but not yet checked against a source, so it earns no points.
Legal jurisdiction
Not documented0 / 15 ptsCould a non-EU government compel access to this data?
Underlying infrastructure
Not documented0 / 10 ptsDoes it run on European infrastructure, or on a US hyperscaler?
Documented quality
Not a review score. These are things a maker either publishes and commits to, or does not — warranty length, spare parts, certifications, support windows.
Open source
Not documented0 / 20 ptsCan the code be inspected and self-hosted?
Data portability
Not documented0 / 15 ptsCan you export your data in an open format and leave?
Independent certification
Not documented0 / 30 ptsHas an outside body certified anything about this product?
Support & maintenance
Not documented0 / 15 ptsHow long are updates and security fixes guaranteed?
Where it comes from
- Designed in
- Not documented
- Developed in
- Not documented
- Data hosted in
- Not documented
Who is behind it
Berlin email provider run by Heinlein Hosting GmbH, selling paid, ad-free mailboxes with calendar and office features, aimed at people and companies who want their mail under German jurisdiction.
- Legal entity
- Heinlein Hosting GmbH
- Headquarters
- GermanyVerified
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