Version 18.104.22.168 of SMTP Mail Sender is available. This was a simple fix to allow it to accept the -cc and -bcc flags from the command line. It also allows you to add one or both of the following options to the configuration file:
This will automatically populate those fields every time the application loads.
These were very simple changes to the application, and it should be fully backwards compatible with any scripts that you may be using to launch and automatically send emails with. If you run into problems, feel free to contact me via the contact page.