Like I said before I've wanted to improve and expand the site. I've been working to get the Whitelist/Greylist "Application" system in place and it's ready to be used as a simple management tool right now.
It's missing a lot of features and I don't currently have spam protections in place, so enable it at your own discretion!
The emails will look like this:
A lot more to come! For now, bed time!