So what that filter is actually doing is saying that they are a member of a Revenue Model and that Model is not Leadlifecycle RCE. However that doesn't exclude them from also being...
One way you could accomplish this if the LetterNumber rank is likely to change often is using a segment and then a smart campaign to adjust the field value.
So you apply the correc...
You'll want to use the "Not Opened Email" filter.
If you want it for people that we sent/delivered a certain number of emails you can use it with the Was Delivered or Was Sent fil...
One method that I've seen work is assigning content to a persona/multiple personas, and then creating score fields for each persona to act as a counter. Each time someone interacts...