HTTP Proxy - Received emails that are opened by a user are cached for the duration of the users session, allowing instant re-opening and no delay when decrypting message. Also lightens DB load
HTML wrapping - Content is wrapped with HTML from standard .html files, allowing for easy customization of the UI
Features in progress:
Tags - Implementing tags which a user can add to their recieved messages to optimize searching
Attachments - Implementing the ability to attach files from the browser, and subsequently store a reference to attachments within database