SmartEmailing uses a similar feature

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GetResponse automatically rewards recipients with points for activity and interaction and then divides them into 5 groups according to Engagement Score:
lack of interest,
in danger,
neutral,
preoccupation,
great interest.
Based on the division, you can then choose the most appropriate content for each group, from a reactivation campaign to rewarding the most loyal and active.

Segmentation by leadscore.
⎼ contact scoring. Based on various criteria, you will assign points to your contacts based on, for example, opening an email, clicking through, filling out a form or questionnaire. A big advantage over classic and fixed india email list segments is that scoring allows a contact to move from one group to another, thus improving targeting .

Engagement in emails.
Go one step further – connection to the CRM system
To take it to the next level, connect your email software to a CRM system (usually a modular system consisting of individual applications that are interconnected and linked to customer records). The CRM system may have more information about customer engagement and will send it back to the email tool after evaluating all campaigns, thus achieving even better segmentation.

A frequently used system is Freshsales, which can be connected through direct integration, or Zapier, which allows you to connect hundreds of applications with each other.