usage: gosmtpd [<flags>]

Flags:
  --help              Show help (also see --help-long and --help-man).
  --webport=WEBPORT   Port the web server should run on (Default: 8000)
  --hostname="localhost"  
                      Hostname for the smtp server to listen to
  --port="2525"       Port for the smtp server to listen to
  --forwardhost=FORWARD_HOST
                      The hostname after the @ that we should forward i.e. gmail.com
  --forwardsmtp=FORWARD_SMTP
                      SMTP server to forward the mail to
  --forwardport=FORWARD_PORT
                      The port on which email should be forwarded (Default: 25)
  --forwarduser=FORWARD_USER
                      The username for the forward host
  --forwardpassword=FORWARD_PASSWORD
                      Password for the user
  --mailexpiration=300  
                      Time in seconds for a mail to expire, and be removed from database
  --version           Show application version.