Global email filtering would probably be too wide for this if you have multiple email accounts on the same domain.
Instead, you'll probably want to use individual email account filtering. Same concept, just puts it in a spambox per email account, as opposed to a global one, meaning that individuals can actually access it without global access.
Yes, you could also setup a filter for the individual email account if you only need to apply the rule to a single email address. Documentation on email filters for individual email accounts is available at: