In the contact table that shows details for each email address, you should add columns for Sent and Opened which would show the number of emails sent to each contact and number they opened. As with other columns, clicking the heading should sort based on these numbers. This would make it easy to see how active each contact is and sorting would allow easily creating new lists or segments to send to or to delete those with no or low activity. ... View more

Like you have a Least Engaged list, you should add a Not Engaged list, so we can easily delete everybody who has never opened any emails ever. Your list segmentation tools aren't working properly for this, and one of your support agents confirmed there is a bug to select a period > 1 year. Even < 1 year was not working properly for me. This should be very easy to do. ... View more