Hello daniellee60580908 ,You can follow below steps if you want to use
only recurring delivery:--> Create a workflow with the segmentation
according to your requirement and add the recipients to a list.-->
Schedule this workflow to run daily so the list will update daily
without missing any recipients.--> Now create another workflow2 and use
this list to whom u want to send this delivery on day1.--> Use split
activities and add subsets according to ur requirement (here you need 3
for day1, month...