#  --postfix.logfile_path string
#        Path where Postfix writes log entries. This file will be truncated by this exporter. (default "/var/log/postfix_exporter_input.log")
#  --postfix.showq_path string
#        Path at which Postfix places its showq socket. (default "/var/spool/postfix/public/showq")
#  --web.listen-address string
#        Address to listen on for web interface and telemetry. (default ":9154")
#  --web.telemetry-path string
#        Path under which to expose metrics. (default "/metrics")
# --systemd.enable
#        Read from the systemd journal instead of log
# --systemd.unit string
#        Name of the Postfix systemd unit. (default "postfix.service")
# --systemd.slice string
#        Name of the Postfix systemd slice. Overrides the systemd unit. (default "")
# --systemd.journal_path string
#        Path to the systemd journal (default "")
command_args=""