Tutanota is the secure email service with built-in end-to-end encryption that enables you to communicate securely with anyone.

• Issue and feature tracker: https://github.com/tutao/tutanota/issues (legacy tracker: https://tutanota.uservoice.com/forums/237921-general)

You can build your own Tutanota client and run it locally. Remember that you have to update your Tutanota client on your own. If you prefer the auto-update feature, you can use the official mail client.

• An up-to-date version of Git is installed
• An up-to-date version of Node.js is installed

1. Clone the repository: git clone https://github.com/tutao/tutanota.git
2. Switch into the repository directory: cd tutanota
3. Do npm install
4. Build the web part: node dist prod
5. Switch into the build directory: cd build/dist
6. Run local server. Either use node server or python -m SimpleHTTPServer 9000.
7. Open the `` with your favorite browser (tested: Firefox, Chrome/Chromium, Safari).

If you build and install the Tutanota Android app by yourself, keep in mind that you will not get updates automatically. If you prefer the auto-update feature, use the Google Play Store or F-Droid in the future.

• An up-to-date version of Git is installed
• An up-to-date version of Node.js is installed
• An up-to-date version of the Android SDK is installed

1. Clone the repository: git clone https://github.com/tutao/tutanota.git
2. Switch into the Tutanota directory: cd tutanota
3. Install dependencies: npm install
4. Build the web part: node dist prod
5. Switch to the Android folder: cd app-android
6. Create a keystore if you don't have one: keytool -genkey -noprompt -keystore MyKeystore.jks -alias tutaKey -keyalg RSA -keysize 2048 -validity 10000 -deststoretype pkcs12 -storepass CHANGEME -keypass CHANGEME -dname "CN=com.example"
7. Build the Android app: ./gradlew assembleRelease
8. Sign the app: jarsigner -verbose -keystore MyKeystore.jks -storepass CHANGEME app/build/outputs/apk/release/app-release-unsigned.apk tutaKey
9. Install the app on your device: adb install -r app/build/outputs/apk/release/app-release-unsigned.apk