Finding a contact based on inf_contact_key?

Someone is printing our newsletters online in public. When they do so, they’ve left the inf_contact_key=" " in the link. I’m hoping I use this to narrow down their contact record and get them off my list.

Any suggestions?

Hey Jay:

If they are doing this regularly, we could change the link and/or body to include a ‘random number’ … but that random number could be their Infusionsoft contact ID … they don’t know what it is, and it would look like just another number. Then, next time you see it, you could easily trace to the person doing it.