this will avoid to download all email from your inbox with the domino server.
modify the ($POP3) view and put this into View Selection:
DEFAULT DeliveredDate := "";
SELECT DeliveredDate > @Adjust(@Now;0;0;-3;0;0;0);
this, will return sets of email delivered in the last 2 days based on formula.
or you can modify the DeliveredDate with @Adjust formula to match with your requirement.
easy. but it works and help us to download only today / range of date.