ProtonMail

ProtonMail is a useful mobile client that has been officially released by an email box service of the same name. Its main purpose is to allow users to send various media content in encrypted form. This program can be installed on all smartphones that are running Android OS. It provides complete privacy and security to users by using strong encryption protocols. In addition, you can receive notifications about new e-mails.

Registration

To fully use the software, you need to register and create a personal account. To realize this task, you need to specify certain information in the form of a login and password. Moreover, it is required to enter the address of the backup e-mail box, in case of loss of authorization information.

Usage

This application allows you to perform various manipulations with e-mails. For example, you can work with them, sort and move them. You can also send documents, illustrations, music and other media content. To use this feature, you need to allow access to the phone's internal storage. Users can specify a time period for the existence of an e-mail before sending it. When the specified time expires, the data will be automatically deleted from the mailbox.

Security

The main difference between this software and analog services is the use of end-to-end zero-access encryption. This allows you to ensure complete confidentiality and security of correspondence. Thus, all e-mails are available only to the recipient and the sender. And third parties will not be able to get access to personal information.

Features

• the ability to exchange letters in e-mail;
• all data is transmitted in encrypted format;
• the ability to automatically get rid of messages when a specific time period expires.