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Transparency Report & Warrant Canary for the secure email service Tutanota

2016-01-01 / Updated: 2019-01-01
This is Tutanota's transparency report and warrant canary information. While in Germany a gag order is legally not possible, we want to give you peace of mind by publishing a warrant canary.

The Tutanota Transparency Report is updated every six months. We only release individual mailboxes if we receive a valid German court order. All email content (subject, body, attachments) is end-to-end encrypted, and we cannot decrypt any of this data.

Between the 1st of July 2018 and 31th of December 2018 Tutanota has

  • received requests for inventory data in 93 cases.
  • released inventory data in 2 cases.
  • received requests for traffic data in 15 cases.
  • released traffic data because of a valid German court order in 6 cases.
  • received requests for content data in 19 cases.
  • released encrypted content data because of a valid German court order in 16 cases.

On our blog we explain details on German data protection laws. This blog post also explains what data we have, and what data can be asked for by the authorities as well as what the terms 'content data', 'traffic data' and 'inventory data' refer to.

Previous Tranparency Reports

Between the 1st of January 2018 and 30th of June 2018 Tutanota has

  • received requests for inventory data in 64 cases.
  • released inventory data in 2 cases.
  • received requests for traffic data in 21 cases.
  • released traffic data because of a valid German court order in 15 cases.
  • received requests for content data in 15 cases.
  • released encrypted content data because of a valid German court order in 12 cases.

Between the 1st of July 2017 and 31th of December 2017 Tutanota has

  • received requests for inventory data in 44 cases.
  • released inventory data in 7 cases.
  • received requests for traffic data in 15 cases.
  • released traffic data because of a valid German court order in 8 cases.
  • received requests for content data in 5 cases.
  • released encrypted content data because of a valid German court order in 5 cases.

Between the 1st of January 2017 and 30th of June 2017 Tutanota has

  • received requests for inventory data in 23 cases.
  • released inventory data in 2 cases.
  • received requests for traffic data in 5 cases.
  • released traffic data because of a valid German court order in 2 cases.
  • received requests for content data in 4 cases.
  • released encrypted content data because of a valid German court order in 4 cases.

Between the 1st of July 2016 and 31st of December 2016 Tutanota has

  • received requests for user data in 25 cases.
  • released encrypted user data because of a valid German court order in 2 cases.

Between the 1st of January 2016 and 30th of June 2016 Tutanota has

  • received requests for user data in 30 cases.
  • released encrypted user data because of a valid German court order in 1 case.

Since Tutanota's launch in March 2014 until the 1st of January 2016 Tutanota has

  • received requests for user data in 15 cases.
  • released encrypted user data because of a valid German court order in 3 cases.

Warrant Canary

Tutanota has never received any National Security Letters or FISA court orders, and we have not been subject to any gag order by a FISA court. We have never placed any backdoors in our hardware or software and have not received any requests to do so.

We publish our web client, desktop clients and iOS & Android apps as open source so that everyone can verify that Tutanota does what we promise: Protect your encrypted emails to the maximum.



PS: The Transparency Report is updated every six months. The warrant canary is always up to date. If there was any request stated above, we would immediately take down the canary. However, such a request is not possible according to German law.

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