How to find the same email address with same subject received twice then skip it

[Tharusha_Fernando (Fernando ✔️)]

i m having to loop 30 email address and check the subject and store but i need to skip if i received same email address with same subject 2 times how can i do it

[Aaron_Hubbart]

For each record check if in datatable(dt) by filtering dt for email/subject, if resulting count is > 0,you have duplicate email. Otherwise if 0,its new. Add record to dt and process as needed.