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- Profile Filters: data saved to the recipient's profile
- Activity Filters: actions that a recipient did or did not perform
- Geolocation; the approximate location of a recipient
- Device Filters: the device that a recipient has used in the past
Test a filter
With Mailup 8.8 you can now test a filter right on the same window where you set its conditions...great feature improving your productivity 
From the example below we tested an activity filter while working on its condition and it returned 2 subscribers
When filters are used
Filters are used for many different purposes in your MailUp admin console.
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