Encryption for All Mails: Tutanota Uses DANE on Top of SSL and PFS

Your connection to Tutanota is protected with an extended validation SSL certificate and Perfect Forward Secrecy. In addition your secure Tutanota mail supports DANE. The DANE protocol effectively protects against MITM attacks and should be implemented by all mail providers.

We've already explained how you can easily verify that your connection to the Tutanota website is secure by using a DANE browser plugin.

In addition you can verify our SSL certificate. Our certificate is an Extended Validation Certificate to add extra security.

Verify our SSL fingerprints (valid until 22.09.2017)

SHA1 fingerprint:


SHA-256 fingerprint:


These fingerprints are valid for app.tutanota.com and tutanota.com.

You can check these fingerprints by clicking on the log symbol to the left of the URL within your browser.

Get your own secure mail account today and protect your mails with automatic encryption.

Free your data from mass spying!

and get your encrypted mailbox for free now.

Hanna makes Tutanota come to life. Her credo: Every one of us has the right to express any idea freely, or to keep it secret. Encryption is a great tool to achieve the latter.

Posted on: 2015-05-03