ok i know is OT ... but i didn't find a better place where post it...

You should post in Meta.

Quote

i tried to send a mail on that address but no answers after a few months... i think isn't checked anymore :-(
how i can get the account unlocked?

Try emailing again?

Did you read Recovering hacked accounts or accounts with lost passwords?

You only have these 2 staked addresses, but I don't think they're yours (archived), so you can't sign a message to prove ownership: