Digital productEmail & calendar Security & privacy

Tuta Mail

Name: Tuta Mail
Brand: Tuta
Availability: InStock

by Tuta · 🇩🇪 Germany

Tuta Mail is an end-to-end encrypted email and calendar service built by a team working from offices in Hannover and Munich. It encrypts email headers and metadata such as subject lines, and offers post-quantum cryptography for email. The client apps for web, desktop, Android and iOS are published as open source under GPLv3, and Tuta stores customer data on servers it owns in German data centres.

Visit Tuta →Free tier available

A European alternative to Gmail.

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
Verified20 / 20 pts
Developed in Germany
- tuta.com · producer · checked 2026-07-29
  “We are an international team closely working together at our offices in Hannover and Munich, Germany, with English being our main work language.”
- tuta.com · producer · checked 2026-07-29
  “You apply for a position on-site in Hannover, which involves a relocation if you do not live near that city.”
- tuta.com · producer · checked 2026-07-29
  “With offices located within Germany, and no other countries, Tutao GmbH only responds to valid warrants issued by German courts.”
Data hosting
Verified20 / 20 pts
Data hosted in Germany
- tuta.com · producer · checked 2026-07-29
  “All data in Tuta is stored end-to-end encrypted on our own servers in ISO 27001 certified data centers in Germany.”
- tuta.com · producer · checked 2026-07-29
  “All data is stored in ISO 27001 certified data centers in Germany.”
- tuta.com · producer · checked 2026-07-29
  “We store all data on our own servers in Germany.”
Company headquarters
Verified15 / 15 pts
Headquartered in Germany
- tuta.com · producer · checked 2026-07-29
  “Court of registration: District court Hanover, Registration number: HRB 208014.”
- tuta.com · producer · checked 2026-07-29
  “With offices located within Germany, and no other countries, Tutao GmbH only responds to valid warrants issued by German courts.”
- tuta.com · producer · checked 2026-07-29
  “We are an international team closely working together at our offices in Hannover and Munich, Germany, with English being our main work language.”
Ownership & control
Verified20 / 20 pts
EU-owned, privately held
- tuta.com · producer · checked 2026-07-29
  “To this day, the company is wholly owned by Matthias and Arne, and is not liable to anyone else.”
- tuta.com · producer · checked 2026-07-29
  “Tutao GmbH, the company behind Tuta, was founded in 2011 by Arne Möhle and Matthias Pfau who knew each other from studying together at FHWD university in Hanover, Germany.”
- tuta.com · producer · checked 2026-07-29
  “Represented by: Arne Möhle, Hanna Bozakov and Matthias Pfau.”
Legal jurisdiction
Verified15 / 15 pts
Operated wholly under EU/EEA jurisdiction
- tuta.com · producer · checked 2026-07-29
  “With offices located within Germany, and no other countries, Tutao GmbH only responds to valid warrants issued by German courts.”
- tuta.com · producer · checked 2026-07-29
  “Processing of personal data takes place in compliance with the General Data Protection Regulation (GDPR) as well as with the country-specific data protection laws applicable to Tutao GmbH.”
- tuta.com · producer · checked 2026-07-29
  “That's why we have chosen to keep our business and servers located in Germany where we can take advantage of the comprehensive EU data privacy laws like GDPR.”
Underlying infrastructure
Verified10 / 10 pts
Own hardware in German data centres — European provider
- tuta.com · producer · checked 2026-07-29
  “All our email clients are open source and we own our infrastructure, including our servers.”
- tuta.com · producer · checked 2026-07-29
  “All data is stored on our own servers in ISO 27001 certified data centers based in Germany.”

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
Verified10 / 20 pts
Open-source client (GPL-3.0)
- tuta.com · producer · checked 2026-07-29
  “For these reasons it was also crucial for us to publish the entire client code for Tuta under GPLv3 as free software.”
- tuta.com · producer · checked 2026-07-29
  “All Tuta clients are open source, making Tuta the best encrypted email service.”
- tuta.com · producer · checked 2026-07-29
  “All our email clients are open source and we own our infrastructure, including our servers.”
Data portability
Verified15 / 15 pts
Documented export in an open format
- tuta.com · producer · checked 2026-07-29
  “in accordance with Art. 20 GDPR, to receive your personal data that you have provided to us in a structured, common and machine-readable format or to request the transfer to another controller; and”
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 inUnverified: Germany
Developed inVerified: Germany
Data hosted inVerified: Germany

Who is behind it

German provider of end-to-end encrypted email and calendar, with open-source client apps, run from its own servers in German data centres. Founded in Hanover in 2011 and still owned by its two founders.

Legal entity: Tutao GmbH
Founded: 2011
Headquarters: GermanyVerified

Tuta Mail

How the EU-ness score breaks down

Where it is built

Data hosting

Company headquarters

Ownership & control

Legal jurisdiction

Underlying infrastructure

Documented quality

Open source

Data portability

Independent certification

Support & maintenance

Where it comes from

Who is behind it

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