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Tutanota Logo.png
Type of site
Available inmultilingual
Headquarters Germany
Alexa rankIncrease 21,171 (September 2018)[2]
UsersOver 2 million
Current statusOnline
Repository Edit this at Wikidata
Written inJavaScript
LicenseGNU GPL v3
Websitetutanota.com, mail.tutanota.de

Tutanota is an open-source end-to-end encrypted email software and freemium hosted secure email service.[3][4][5][6][7] Its business model excludes earning money through advertisement relying solely on donations and Premium subscriptions.[8]

As of March 2017, Tutanota had over 2 million users.[9]


Tutanota is derived from Latin and contains the words "tuta" and "nota" which mean "secure message".[10] Tutao GmbH was founded in 2011 in Hannover, Germany.[11]

The goal of the developers for Tutanota 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.[12]

In 2014, the software was open-sourced and can be reviewed by outsiders on GitHub.[13]


Tutanota offers end-to-end encryption for emails sent from one Tutanota user to another. Tutanota also encrypts all emails and contacts.[14][unreliable source] Tutanota uses a standardized, hybrid method consisting of a symmetrical and an asymmetrical algorithm - AES with a length of 128 bit and RSA with 2048 bit.[15][unreliable source] To external recipients who do not use Tutanota a notification is sent with a link to a temporary Tutanota account. After entering a previously exchanged password, the recipient can read the message and reply end-to-end encrypted.[16][unreliable source]

Account types[edit]

Users of Premium accounts can use their own domains with Tutanota.[citation needed]

Free Paid (€1,20/m or €12 per year)
one user multiple users (per €1,20)
1 GB storage 1 GB (expandable)
Basic support Premium support
No aliases 5 aliases (expandable)
Tutanota domain only Unlimited custom domains
No inbox rules Inbox rules
No customizations Customizations (logo and welcome message)

See also[edit]


  1. ^ "We Are Very Happy to Welcome Meike to Our Team". Tutanota. 12 December 2015. Retrieved 13 March 2017.
  2. ^ "Tutanota.com Site Info". Alexa Internet. Retrieved September 28, 2018.
  3. ^ Tyler, Taylor (10 July 2014). "New germany-based end-to-end encrypted e-mail service launches internationally". cryptocoinnews.com. cryptocoinnews.com. Retrieved 4 November 2015.
  4. ^ "'NSA-proof' Encrypted Email Service Tutanota Launches". infosecurity-magazine.com. Reed Exhibitions Ltd. 3 July 2014. Retrieved 4 November 2015.
  5. ^ Tyler, Taylor (8 September 2014). "Secure email provider Tutanota goes open source". cryptocoinnews.com. CryptoCoinNews. Retrieved 4 November 2015.
  6. ^ Madore, Paul (20 March 2015). "Tutanota: the open-source encrypted e-mail answer to ProtonMail". hacked.com. Hacked. Retrieved 4 November 2015.
  7. ^ Natasha, Lomas (18 March 2015). "Tutanota, An Open Source Encrypted Gmail Alternative, Heads Out Of Beta". techcrunch.com. TechCrunch. Retrieved 4 November 2015.
  8. ^ "Celebrating One Year of Tutanota Premium - Thank You for Your Support!". Tutanota. 25 July 2016. Retrieved 14 March 2017.
  9. ^ "Reviews of Secure Mail Service Tutanota". Tutanota. Retrieved 2017-07-24.
  10. ^ https://tutanota.uservoice.com/knowledgebase/articles/470097-what-does-the-name-tutanota-stand-for
  11. ^ "5 of the Best Secure Email Services for Better Privacy". maketecheasier. 23 October 2015. Retrieved 13 March 2017.
  12. ^ "Encrypted Email: The Privacy Alternative to Gmail". StickyPassword. 20 October 2015. Retrieved 13 March 2017.
  13. ^ "Secure Mail Service Tutanota Celebrates One Year Open Source". Tutanota. 2 September 2015. Retrieved 13 March 2017.
  14. ^ "Secure mail for everybody!". Retrieved 13 March 2017.
  15. ^ "What encryption algorithms does Tutanota use?". Retrieved 17 August 2017.
  16. ^ "How do I send an encrypted email to an external recipient?". Retrieved 16 April 2016.

External links[edit]