First off: <i>they</i> called it email, not me.<p>&gt; Tutanota is the end-to-end encrypted mail client that enables you to communicate securely with anyone.<p>Secondly: no. Twitter dm&#x27;s are unlimited in length, and no one calls it email. Web based conversational systems offer long form messages, and people don&#x27;t call them email.<p>Email is email, other things are other things. Something can be &quot;email like&quot; and not be email, and if explained that way even the most novice of users can understand that there is a difference, even if they themselves don&#x27;t specifically understand what the difference is.