Apple Invoice Mail

We are fellow users, we can't send you anything.

If you want a duplicate receipt for an iTunes Store purchase you can do so via the account's purchase history : See your purchase history in the iTunes Store - Apple Support

If it's an Apple Store purchase try logging into your account on Apple's main website and see if you can get a duplicate

Try iTunes Support. Either use the form or scroll to the bottom of the page in the 2nd link. Follow through the screens to get a chat or telephone option.

iTunes Support

iTunes Support – world wide