I created two IMAP accounts in Mail app.

However I had to enter two wrong email address/passwords to be able to manually set my hotmail as IMAP.

e.g. one is [email protected]

When I view them in accounts it shows it as [email protected] I have already edited Accounts.plist and corrected but that doesn't seem to be the right place.

Where do I go?

1 Answer 1


I found what I needed in ~/Library/Caches/com.apple.mcc.accounts

It's an XML file and it has 4 occurences of each wrong email. Updated and it works fine in Mail.app

  • 1
    I know it's an old answer from 2013, but for the sake of others arriving here, this file doesn't exist anymore. I didn't find the replacement though.
    – fharper
    Apr 20, 2023 at 21:07

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