My concern is if I can check bags at the international terminal if my flight doesn't actually leave from concourse F. When researching parking options, I came across this lot that mentions being able to use international departures even for domestic flights, but only if you're not checking bags. I know I'm actually flying internationally, but I don't want to show up at international departures only to be told I have to go to domestic because I'm not leaving from F.

https://www.thefastpark.com/Atlanta