After upgrading to Catalina on my MacBook Pro, I noticed that deleted emails re-appear in my in box after a few minutes after the deletion. The only way I can really delete them is by using my iPad or my phone to delete them. At least they don't re-appear if I use any of those devices.

Is this an introduced bug in the Catalina version of Mac mail? Is anyone else experiencing the same issue?

  • I don't think it's a bug. Do you have more than 1 mailbox in Mail? If so, is this happening to all mailboxes? How do you have this mailbox setup (POP or IMAP)?
    – fsb
    Nov 1, 2019 at 3:57
  • 1
    One user fixed this on their iPhone by removing and re-adding the account.
    – anki
    Nov 1, 2019 at 5:38
  • Thank you for all the replies. I have only 1 Google account set up in the mail app. I removed it and added it again and the issue went away. Thank you for that very useful tip! Nov 2, 2019 at 12:02

1 Answer 1


I removed [the google account] and added it again and the issue went away.

System Preferences → Internet Accounts, remove the troubling IMAP account and add it back. For a less drastic measure, uncheck the Mail checkbox and tick it again.

  • The unchecking / rechecking the Mail checkbox didn't help, only complete removing of the account from the preferences and then adding it back Aug 25, 2023 at 12:10

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