Can't retrieve my account

[geekborg]

Hi,

When i try to login to my old bitbucket account, i get this message :

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Soon you'll be able to log in to any Atlassian Cloud app using an Atlassian account. You already have an existing Atlassian account with the email address abdallah@gmx.com.

To help you prepare, we need you to confirm your account by entering the Atlassian account password for abdallah@gmx.com.

Once confirmed, you'll use this to log in to Bitbucket.

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But abdallah@gmx.com is my old unaccessable e-mail adress.

is there another way to confirm my identity ?