modify small delphi application: add pop3 email download

I have a small delphi 7 application, the function now: It checks register values and send an email when value out of date (anti virus). Now the customer want to add an extra functionality to receive email with attachment: -receive email that match sender and title filter value: *.[login to view URL] -store attachment in a folder -run a program for every received email (i have example code of this) also add email config tab. Suggest to use indy pop3 unless you have a better alternative. I think for a experianced programmer 1 day work. regards, Niek