If you have some new subscribers who don't engage within a set period of time, e.g. seven days, then you can create a segment to use to either exclude those contacts from your campaigns or delete them from Ometria.
See also: Delete contacts from Ometria
- Customer Attributes: Accepts marketing - which is - opted in
- Customer Attributes: Date subscribed to email - after (relative) 7 days ago
- Email Activity: Date of last opened email - which is not known
- Email Activity: Date of last clicked email - which is not known