Let's assume that this is in the US (different countries have different laws but most countries have some version of these protections). The Computer Fraud and Abuse Act prohibits unauthorized access. You would be concerned with 18 USC 1030(a)(2) which punishes a person who
intentionally accesses a computer without authorization or exceeds
authorized access, and thereby obtains...(C) information from any
You might think that since it has your email, you are "authorized", but actually only the account-holder is so authorized, and exceeding authrized access
means to access a computer with authorization and to use such access
to obtain or alter information in the computer that the accesser is
not entitled so to obtain or alter
For example, deleting the account. You can ask for recovery links and delete an account only if it is your account. An account that is erroneously associated with your email address is still not your account, and you have no authorization to access an account that is not your account and where the account owner has not permitted (authorized) you to access the account for some purpose. It's a felony.