Setting up Drip Nurture OR Engagement Program
Hi
I want to set a program with series of 2 emails. Criteria for entering contact in the program is ( please see the flow chart for detail)

Should I set up engagement nurture program or drip email program in this case? How can I set up exit criteria during the wait step or in other words if during 3 weeks of wait if the status change to any other status than not yet shipped how to remove the members from getting the 2nd email?
Thanks