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Posteo

by Posteo · 🇩🇪 Germany

Posteo is a paid email service with calendar, address book and notes, run from Berlin since 2009 and financed only by its customers. The company states that its servers sit in secured German data centres and that it runs on green energy from Green Planet Energy.

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A European alternative to Gmail, Outlook.

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 pts

    Where does the engineering team that builds this sit?

  • Data hosting

    Verified20 / 20 pts

    Data hosted in Germany

    • posteo.de · producer · checked 2026-10-09

      “Servers located in highly secured German data centres”

  • Company headquarters

    Verified15 / 15 pts

    Headquartered in Germany

    • posteo.de · producer · checked 2026-10-09

      “Posteo is an independent email provider based in Berlin.”

  • Ownership & control

    Verified20 / 20 pts

    EU-owned, privately held

    • posteo.de · producer · checked 2026-10-09

      “We are entirely free of advertisement, free of tracking and self-financed by the email accounts of more than half a million customers.”

  • Legal jurisdiction

    Not documented0 / 15 pts

    Could a non-EU government compel access to this data?

  • Underlying infrastructure

    Not documented0 / 10 pts

    Does 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 pts

    Can the code be inspected and self-hosted?

  • Data portability

    Not documented0 / 15 pts

    Can you export your data in an open format and leave?

  • Independent certification

    Not documented0 / 30 pts

    Has an outside body certified anything about this product?

  • Support & maintenance

    Not documented0 / 15 pts

    How long are updates and security fixes guaranteed?

Where it comes from

Designed in
Not documented
Developed in
Not documented
Data hosted inVerified
Germany

Who is behind it

Independent Berlin email provider founded in 2009, financed entirely by its customers' paid accounts, with no advertising and no tracking.

Legal entity
Posteo
Founded
2009
Headquarters
GermanyVerified

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