Outlook rules for routing all emails sent by people not in a whitelist

Question

I have the need to have all emails that do not come from my company's domain route into a certain folder in Outlook. The purpose is to give me a higher state of alert that an email was not sent through our mail system from an internal address. FYI, we have a few domains, so I would want to whitelist those. I know I can create rules for emails from a specific person, but I can't exactly add the entire internet to the junk mail/block sender list.

Is it possible to create a rule in Outlook to accomplish this?

Answer 1

You may consider the rule below: 1. Create a rule to move all incoming messages to a particular folder. 2. Add an exception to exclude messages sent from your GAL:

when creating a rule to move all messages to a particular