- ProtonMail
- Tutanota
- Virtru
- Zix
ProtonMail
ProtonMail is an end-to-end encrypted email service based in Switzerland. It offers secure email communication with zero-access encryption, meaning even ProtonMail cannot access your messages.
Tutanota
Tutanota is another popular email encryption solution that provides end-to-end encryption for emails, contacts, and calendar. It also offers secure file storage and sharing.
Virtru
Virtru is a data protection platform that offers email encryption as well as encryption for files and data across various platforms. It provides granular access controls and integrates with existing email services.
Zix
Zix is a comprehensive email security solution that includes email encryption, data loss prevention, and advanced threat protection. It offers customizable encryption policies and seamless integration with existing email systems.