Mailpile internals

• Commands
• Contact management
• Search engine
  • Search index
  • Search engine hooks
• Incoming E-mail
  • Mail sources
  • Mailboxes
• Tags
• Filters
• Event Log
• APIs
  • Plugins (New)
  • Plugin API (Old -- being phased out)
    • Search engine plugins
    • Contact plugins
    • Command plugins
  • JSON API
• Web server
  • HTML Templates