This is only true if Google never release old private keys for DKIM signatures, which various people have been campaigning for them to do in order to provide long-term deniability around DKIM-signed mails.
> This is only true if Google never release old private keys for DKIM signatures, which various people have been campaigning for them to do in order to provide long-term deniability around DKIM-signed mails.
I didn't know. Thanks for the heads up.