Using Email Engagement Triggers [from PlusThis]
With Yahoo, Google, and Outlook tightening their metrics, managing the engagement in our email lists is only getting more important. PlusThis offers a tool specifically designed to help you keep tabs on your database, it lets you easily bucket contacts into groups based on their recent engagement (or lack of engagement).
If you are a PlusThis user go set this up - if you aren't using PlusThis yet, you can start a free trial today: https://tryplusthis.com/