Android アプリ 郵件・通信

Tutanota: simply secure emails

製造商: Tutao GmbH

  • Register your free Tutanota account with 1 GB of free storage.
  • Choose your email address from the supported domains,,, and
  • Send and receive end-to-end encrypted emails to anybody, to other Tutanota users automatically and to external users secured with a password.
  • Send and receive old-fashioned emails (not end-to-end encrypted). Even these emails are stored encrypted on the Tutanota servers.
  • Subject, content and attachments are automatically encrypted.
  • Supports push notifications when receiving new emails.
  • Auto-complete contact names as you type from your Tutanota or your phone contacts.
  • Tutanota is open source so that anyone can verify its security by auditing the code.