MailStone is a free Chrome plugin developed by MailStone that allows users to register their emails in the Blockchain directly from Gmail. With this plugin, users can automatically insert their MailStone address in the CC or BCC fields when composing emails in Gmail.

By leveraging the power of Blockchain technology, MailStone ensures the security and immutability of email registrations. This plugin provides a seamless integration with Gmail, making it easy for users to register their emails without any extra steps or complicated processes.

With MailStone, users can have peace of mind knowing that their emails are securely registered in the Blockchain, providing an added layer of trust and authenticity to their communications. This plugin is a valuable tool for individuals and businesses who want to ensure the integrity and security of their email correspondence.