Join Date: Nov 2000
Location: Nashville -Past DL Plat, FO, WN-CP, various hotel programs
Programs: DL-MM, AA, SW w/companion,HiltonDiamond, Hyatt PLat, IHF Plat, Miles and Points Seeker
Posts: 11,405
Go into the account and change the default email. Unless of course Delta requires a confirmation email. Might not work.
As to closing account - are there still miles in there? Use them up if you can.