Some reasons why you got rejected : I think you forget to include following points in your signature message.
Recovering hacked/lost accounts (By theymos)
- The message contains the username, the desired new email, and the current date.
- You specify the address.
- You include a signature.
- You link to the association between the address used for signing and the account.
My account
-----BEGIN SIGNATURE-----
-----END BITCOIN SIGNED MESSAGE-----
Here is the unedited post where I posted that address: ...
One important thing you must notice.
Email [email protected], ideally from the account's email address. Include your username and a brief description of the details of how/when the account was hacked. A signature will likely be required (see below).
hope it can help you.