05-cmd.t <command> [-?h] [long options...]
-? -h --help show help
Available commands:
commands: list the application's commands
help: display a command's help screen
checkdomain: Validate the BIMI assertion record for a given domain
checkrecord: Validate a given BIMI assertion record
checksvg: Check an SVG for validation
checkvmc: Check an VMC for validation