Mailock is a secure email solution that enables individuals and organisations to send and receive encrypted emails with recipient identity verification. It is designed to protect sensitive information transmitted via email from interception, misdirection, and unauthorised access. Key capabilities include: - AES-256 encryption applied to email messages and attachments - Multi-factor recipient authentication, allowing senders to apply identity challenges before recipients can access a message - Message tracking that records delivery and open events for compliance purposes - Access revocation, enabling senders to withdraw access to a sent email regardless of the recipient's email provider Mailock is available in three tiers: - Free: Core features with a limited number of secure sends, aimed at individual light users - Pro: Designed for professionals and teams requiring regular secure email exchange - Enterprise: Policy-driven encryption via a secure gateway for high-volume outbound email at scale The product is positioned for use cases including data breach risk reduction, regulatory compliance (referencing ICO and FCA expectations), and reducing print and post communications. It works alongside existing email setups without requiring recipients to log in to a portal to read messages.