Checking to see if multiple types of headers exist

[Julian Yap]

I'm trying to consolidate some rules I have.

I'm wondering if there's a way to see if multiple types of headers exist.

eg. Currently separate rules:
header CMN_LIST_1  exists:X-Campid
describe CMN_LIST_1  Mail comes from a common campaign list mailer
score CMN_LIST_1  0.5

header CMN_LIST_2 exists:X-Campaign
...

header CMN_LIST_3 exists:X-CampaignID
...

Any way of combining them into an 'or'?

- Julian