The Post made no such claims.
It did.
> The blockbuster correspondence — which flies in the face of Joe Biden’s claim that he’s “never spoken to my son about his overseas business dealings” — is contained in a massive trove of data recovered from a laptop computer.
Hunter Biden email
The computer was dropped off at a repair shop in Biden’s home state of Delaware in April 2019, according to the store’s owner.
Wouldn't the Post's claims that the data was obtained by hacking suffice? For as long as nobody is claiming in good faith that the data was not obtained through hacking, the Post's own claim should suffice; I think it is too burdensome for the onus to be on twitter to independently verify that for every case of this like.