Tuta (email)

Short description: Free and open-source end-to-end encrypted email software and host

Tutanota service

Screenshot of Tutanota

Type of site

| Webmail
Available in| Multilingual
Headquarters|

Germany

Owner| Tutao GmbH
Employees| 14[1]
Website| tuta.com
Commercial| Yes
Registration| Required
Users| Over 2 million
Launched| 2011
Current status| Online
Tutanota client appDeveloper(s)| Tutao GmbH

|

Repository| github.com/tutao/tutanota/
Written in| TypeScript and JavaScript
Operating system| Microsoft Windows, macOS, Linux, iOS, Android
Platform| x86-64, iOS, Android
License| GNU GPL v3
Website| tutanota.com

Tuta, formerly Tutanota,[2] is an end-to-end encrypted email app and a freemium secure email service.[3] The service is advertisement-free; it relies on donations and premium subscriptions.[4][5][6] As of March 2017, Tutanota's owners claimed to have over 2 million users of the product.[7]

## Contents

* 1 History
* 2 Encryption
* 3 Account deletion
* 4 Censorship
* 5 See also
* 6 References
* 7 External links

## History

Tutanota is derived from Latin and contains the words "tuta" and "nota" which means "secure message".[8] Tutao GmbH was founded in 2011 in Hanover, Germany.[9][10]

The goal of the developers for Tuta is to fight for email privacy. Their vision gained even more importance, when Edward Snowden revealed NSA's mass surveillance programs like XKeyscore in July 2013.[11][unreliable source?]

Since 2014, the software has been open-sourced and can be reviewed by outsiders on GitHub.[12][13]

In August 2018, Tuta became the first email service provider to release their app on F-Droid, removing all dependence on proprietary code. This was part of a full remake of the app, which removed dependence on GCM for notifications by replacing it with SSE. The new app also enabled search, 2FA and got a new reworked user interface.[14] [15][non-primary source needed]

In November 2020, the Cologne court ordered monitoring of a single Tuta account that had been used for an extortion attempt. The monitoring function should only apply to future unencrypted emails this account receives and it will not affect emails previously received.[16][17]

On 7 November 2023, Tutanota announced it was rebranded to simply 'Tuta'.[18] The former domain name tutanota.com now redirects to the shorter tuta.com.[2]

On 11 November 2023, it was alleged that Tuta was being used as a honeypot for criminals with a backdoor from authorities. An ex-RCMP officer, Cameron Ortis, testified that the service was used as a storefront to lure criminals in and gain information on those who fell for it. He stated authorities were monitoring the whole service, feeding it to Five Eyes, which would disperse it back to the RCMP in order to gain more knowledge about the criminal underground. However, no evidence was ever presented to back up this statement, and Tuta refuted the claim.[19][20][21]

## Encryption

Tuta offers end-to-end encryption for emails sent from one Tuta user to another. Tuta also encrypts all emails and contacts stored in their servers,[22][unreliable source] "except for email addresses of users as well as senders and recipients of emails"[23] and "date of an email sent or received".[24][25] Emails sent non-encrypted, are encrypted only between the Tuta user and Tuta servers, and then sent unencrypted to destination user.[24]

Tuta uses a standardized, hybrid method consisting of a symmetrical and an asymmetrical algorithm - AES with a length of 256 bit and RSA with 2048 bit.[26][27][28][29] To external recipients who do not use Tuta a notification is sent with a link to a temporary Tuta account. After entering a previously exchanged password, the recipient can read the message and reply end-to-end encrypted.[30][non-primary source needed]

## Account deletion

Tuta deletes free accounts that have not been logged into for 6 months. According to Tuta, this happens because of security reasons and for keeping the service free.[31]

Tuta has also been GDPR compliant since 2018.[better source needed][32][33][34]

## Censorship

Tuta has been blocked in Egypt since October 2019, and blocked in Russia since February 2020 for unknown reasons (although believed to be tied to recent actions against services operating outside of the country, especially those that involve encrypted communications).[35]

## See also

* Comparison of mail servers
* Comparison of webmail providers

## References

1. ↑ "Huge community support enabled us to employ our 14th team member: Welcome Jonas!". Tutanota. 18 November 2020. https://tutanota.com/blog/posts/new-team-member.
2. ↑ 2.0 2.1 Rudra, Sourav (2023-11-07). "Tutanota Rebranding as 'Tuta': What You Need to Know". https://news.itsfoss.com/tutanota-rebranding/.
3. ↑ Natasha, Lomas (18 March 2015). "Tutanota, An Open Source Encrypted Gmail Alternative, Heads Out Of Beta". TechCrunch. https://techcrunch.com/2015/03/18/tutanota-exits-beta/. Retrieved 4 November 2015.
4. ↑ "Tutanota prices" (in en). https://tutanota.com/pricing.
5. ↑ "Tutanota Premium Review" (in en). https://www.pcmag.com/reviews/tutanota-premium.
6. ↑ "ProtonMail vs. Tutanota: Which Encrypted Email Service Is Best?" (in en). 2022-12-11. https://www.makeuseof.com/protonmail-vs-tutanota-which-encrypted-email-is-best/.
7. ↑ "Reviews of Secure Mail Service Tutanota" (in en-US). https://tutanota.com/blog/posts/tutanota-secure-email-review.
8. ↑ "What does the name "Tutanota" stand for?". https://tutanota.uservoice.com/knowledgebase/articles/470097-what-does-the-name-tutanota-stand-for.
9. ↑ "5 of the Best Secure Email Services for Better Privacy". maketecheasier. 23 October 2015. https://www.maketecheasier.com/secure-email-services.
10. ↑ "Amtsgericht Hannover Aktenzeichen: HRB 208014" (in de). German Company Register. 18 January 2012. https://www.unternehmensregister.de/ureg/result.html;jsessionid=BD504882DD9AA2B27BDDDEEDC883AE27.web01-1?submitaction=showPrintDoc&id=8561326&pid=0. "Gesellschaftsvertrag vom 25.11.2011"
11. ↑ "Encrypted Email: The Privacy Alternative to Gmail". StickyPassword. 20 October 2015. http://blogen.stickypassword.com/encrypted-email-the-privacy-alternative-to-gmail-cyberaware/.
12. ↑ "Secure Mail Service Tutanota Celebrates One Year Open Source". Tutanota. 2 September 2015. https://tutanota.com/blog/posts/secure-email-open-source.
13. ↑ "Tutao GmbH" (in en). https://github.com/tutao.
14. ↑ Ivan (3 September 2018). "How Tutanota replaced Google's FCM with their own notification system". https://f-droid.org/en/2018/09/03/replacing-gcm-in-tutanota.html.
15. ↑ "Tutanota Becomes the Go-to Open Source Email Service with an App on F-Droid." (in en-US). 14 August 2018. https://www.tutanota.com/blog/posts/open-source-email.
16. ↑ "German secure email provider Tutanota forced to monitor an account, after regional court ruling" (in en-US). 8 December 2020. https://www.msn.com/en-us/news/technology/german-secure-email-provider-tutanota-forced-to-monitor-an-account-after-regional-court-ruling/ar-BB1bJDxx.
17. ↑ Moody, Glyn (9 Dec 2020). "German Court Orders Encrypted Email Service Tutanota To Backdoor One Account". techdirt. https://www.techdirt.com/articles/20201209/03061645849/german-court-orders-encrypted-email-service-tutanota-to-backdoor-one-account.shtml.
18. ↑ "Time to celebrate: Tutanota is now Tuta.". 2023-11-07. https://tuta.com/blog/tutanota-is-now-tuta.
19. ↑ "Tuta Is An Independent Company And Not Linked To Five Eyes Secret Services" (in en). https://tuta.com/blog/tutanota-not-a-honeypot.
20. ↑ Tunney, Catharine (12 Nov 2023). "Alleged RCMP leaker says he was tipped off that police targets had 'moles' in law enforcement". https://www.cbc.ca/news/politics/ortis-testimony-transcripts-1.7026011.
21. ↑ "Encrypted Email Service Tuta Denies It's a 'Honeypot' for Five Eyes Intelligence" (in en). 2023-11-15. https://gizmodo.com/tuta-email-denies-connection-to-intelligence-services-1851022465.
22. ↑ "Secure mail for everybody!". https://tutanota.com/#features. Retrieved 13 March 2017.
23. ↑ "Tutanota Privacy Statement" (in en). https://tutanota.com/privacy-policy.
24. ↑ 24.0 24.1 "Encrypted email, free & easy". https://tutanota.com/encrypted-email/. Retrieved 14 November 2020.
25. ↑ Gregory, Samuel. "Temporary Email Address". https://www.eztempmail.com/.
26. ↑ "What encryption algorithms does Tutanota use?". https://tutanota.uservoice.com/knowledgebase/articles/470732-what-encryption-algorithms-does-tutanota-use. Retrieved 17 August 2017.
27. ↑ "Security details about the encrypted email service Tutanota." (in en). https://tutanota.com/security. "Tutanota uses symmetric (AES 128) and asymmetric encryption (AES 128 / RSA 2048) to encrypt emails end-to-end."
28. ↑ Bahar, Zen (2021-12-29). "Tutanota vs. ProtonMail: which one is better?". NordVPN. https://nordvpn.com/blog/tutanota. "Currently, Tutanota and Protonmail are [...] both offering end-to-end encryption."
29. ↑ "AES 256 Is Now Securing All Your Encrypted Tuta Emails". 2024-01-11. https://tuta.com/blog/aes-256-encryption.
30. ↑ "Tutanota FAQ" (in en). https://tutanota.com/faq/#default-unencrypted.
31. ↑ "Tutanota FAQ Inactive-accounts" (in en). https://tutanota.com/faq#inactive-accounts.
32. ↑ "Tutanota FAQ" (in en). https://tutanota.com/faq#gdpr.
33. ↑ "Press Inquiries & Media Kit" (in en). https://tutanota.com/press.
34. ↑ "GDPR-compliant email service: Tutanota offers easy email encryption for all businesses." (in en). https://tutanota.com/blog/posts/gdpr-compliant-email.
35. ↑ Spadafora, Anthony 18 (18 February 2020). "Tutanota secure email service blocked in Russia" (in en). https://www.techradar.com/news/tutanota-secure-email-service-blocked-in-russia.

## External links

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