Initialize the email database, optionally specifying the Maildir directory and email addresses

Index and search emails from a local Maildir.
More information: <https://man.cx/mu>.
Trick copyright: tl;dr; <https://github.com/tldr-pages/tldr>

mu init --maildir={{path/to/directory}} --my-address={{[email protected]}}

click the source code to copy install mu on any operating system with command-not-found.com