Complicated case. Can you please check if you have saved somewhere your wallet file (JSON file)? If so then it would be easier to recover your wallet. The problem is your verification links from the mail isn't working. So, only support could help you in this case. The recover phrase wouldn't help here to recover your wallet. Most likely it was just to recover your wallet details like wallet id or password. You can't import this seed to any other wallet since this isn't compatible with any seed phrase.

However, if you access new mail and receiving 2FA links, so most likely you can download your wallet file somehow. Most likely you may take a look at this video, brut force blockchain wallet.