Hi @swiss,

I work on a MAC, but use Gmail as my email platform; if you are wondering about creating filters or 'rules' in Apple Mail, here's a great resource with step-by-step instructions:
How to Set Up Apple Mail Rules: https://www.lifewire.com/how-to-set-up-apple-mail-rules-2260876

And for creating 'folders' in Apple Mail:
Create Mailboxes for Individuals or for Categories of Email: https://www.lifewire.com/organize-apple-mail-with-mailboxes-2260022

Do let me know if this helps.