Usage
export PACKT4FREE_SMTP_SERVER=smtp.gmail.com; export PACKT4FREE_SMTP_PORT=587; export PACKT4FREE_SMTP_USERNAME=<user>@gmail.com; export PACKT4FREE_SMTP_PASSWORD=<password>; export PACKT4FREE_FROM=<user>@gmail.com; export PACKT4FREE_TO=<user>@gmail.com; /path/to/packt-free-ebook/bin/packt-free-ebook
It's better to run this with cron.
If you use 2FA (and you must use it!), you'll need to configure "Application Password" here.