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How does firefox know my old email? Upon entering an old email to sign in, firefox prompts for me to enter the "primary" email for the account. How do I delete this old email? My account clearly shows no other "secondary" email provided. Will I have to delete my account?

How does firefox know my old email? Upon entering an old email to sign in, firefox prompts for me to enter the "primary" email for the account. How do I delete this old email? My account clearly shows no other "secondary" email provided. Will I have to delete my account?

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I still have access. I'm worried about privacy. I don't want my old email that "used to be my primary email" somehow still tied to my account. How do I check that it is?

If it is, then why? How can I delete it? I have good reason to think that it is given my attempt to login with it returns anything other than "you must create a new user password/profile."

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I had "made" a second email (added a second email in my firefox account), then turned the second email into my primary email, then deleted the "old primary." Now I'm just paranoid that the old email is still wondering around firefox servers somewhere...