Tutanota is an end-to-end encryption email service which provides its users with a safer email environment. It has built-in encryption which they guarantee cannot be decrypted by anyone. The goal of Tutanota is to respect the privacy of its users, because of which it does not track them. Tutanota is available as an app on both iOS and Android platforms. It offers a secure email service that is free from advertisements and focuses on more relevant elements. It comes with an encrypted calendar where the event notifications and reminders are sent end to end encrypted. The tool even asks for a relatively lesser number of permissions to keep the level of privacy of the user to a maximum. Tutanota uses symmetric (AES 128) and asymmetric encryption (AES 128 / RSA 2048) to encrypt emails end-to-end. On top of this, it features STARTTLS, Perfect Forward Secrecy, DNSSEC, DANE, DMARC, and
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