Shower door lower rail and sweep mold

A quick learner from Boynton Beach, Florida says:
Water continuously get under the drip rail and sweep of our hinged shower door and mold forms. The photos show the door with and without the drip rail and sweep in place, I took photos after I had cleaned both.

I ordered item 10-326 and don't know if I should screw it on or hold it on with caulk and screws to prevent mold. Also don't know how to close the open ends of the bottom of the door that held the drip rail and sweep in place. Perhaps I need another part or did I order the wrong item? Any ideas or suggestions are appreciated as I am very allergic to mold.
User submitted photos of a shower door sweep.
Profile picture of Dave Sr.
Dave Sr. from SWISCO responded:
I think the 10-326 can still work, yes. You could attach these sweeps with small screws like our 33-071 or even with double stick tape. As for the ends, there is not really anything made for lower corners, unfortunately.
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