Hi Sanford, I have had a look where I can for how to set this up. I am just quite lost on the finer details or if this is even the best way to do it. The number 50 -600 was what the sales people asked me to send per day. So I divided the list by that and got 7 days worth of emails. The Random sample filter is at 100% because that is the last one I did. I selected the percentage of the number of people from the mail list, I then random sampled that number and assigned them the list 1, then the next percentage and assigned to list 2 etc. Due to it been at 100% did I send to everyone on day one and not just one list? I see you mean I should have left all of the percentages in with their assigned list so there should have been 7 choices here not one? Thanks Sanford. Storm
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