ProtonMail

ProtonMail is a web-based email management solution, which helps small to large enterprises securely sent emails between individuals by leveraging end-to-end and zero access encryption modes. It lets users build accounts along with automatic PGP key creation and management. Messages can be stored in an encrypted format, reducing the risk of access by third parties. The platform also allows employees to set up timers to self-destruct messages. ProtonMail offers integration with various third-party applications such as Microsoft Outlook, Apple Mail and more.