Smart Segmenting by date or days is the most popular segmentation function can be used to identify new or old subscribers on your list. Combined with email engagement rules you can easily clean your list in SmartrMail.
Follow the steps in this article to segment based on Campaign Engagement:
1. Enter the Subscribers tab
2. Click the Create new segment button
3. Name your segment
4. Choose All Subscribers to select all lists or choose the list you'd like to segment
5. In the Show section choose one or more of the following rules and set the value of the variable (# Days or Date):
Subscriber added after date
Subscriber added before date
Subscriber added less than (# Days) ago
Subscriber added more than (# Days) ago
6. Click the Save & Exit button. Your segment will populate and be available under the Smart Segments tab.
7. Click your created segment to view your segmented subscribers
Note: Most segments will populate within a minute, but larger lists can take up to 5 mins to populate.