Tracking missing mail, setting up your own filters, it's all here.
For Business Email COOLCOM uses "Sender Verification" and in short it means mail must come from a real box. If you're missing mail there's a good chance it was not sent from a real box. Here's how to find out that and more!
1. Log in to reveal your list of Hosted Domains. Click the one you wish to check into mail details for
2. Use the cPanel information shown with each domain, to access the cPanel tools for it
3. Once you access your Hosting cPanel, the tools shown below will appear. Click the Track Delivery icon to begin!
Now you can click the Track Delivery Icon to find out if you missed any mail
If you want to add Spam Assassin, you will find it right here in your cPanel and can activate it for your account. Just click the Spam Assassin Icon and use the tools as you see fit.