Thanks Florent

Thanks so much Amit. definitely will look into the pressure rules as for the long term solution.

Much appreciated Florent. This is exactly what I want to achieve.In the Exclusion do I need to set up exclusion rule in there or just make sure the primary set is list d then campaign will do the work? After the exclusion can I just send out the email via Email delivery as below screenshot ?Thanks a...

We just sent out an eDM campaign to specific data lists (list a, b and c). Our marketing team just realized that they have missed some of the subscribers and they provided a new data list (d). As we don't want the subscriber receiving the same email twice. so we need to make sure to exclude anyone t...