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IMAP folder cannot be deleted

From MozillaZine Knowledge Base

Revision as of 23:24, 26 September 2005; view current revision
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When you try to delete an IMAP mail folder in Thunderbird (or Mozilla Suite), you may find that you cannot delete the folder and that you instead receive an error message that says "The current command did not succeed. The mail server responded: RENAME failed: Can't create mailbox [folder name]: File Exists."

In this case, try the following:

  • Thunderbird users: go to "Tools -> Account Settings -> [account name] Server Settings" and change the option for "When I delete a message" to "Remove it immediately."
  • Mozilla Suite users: go to "Edit -> Mail & Newsgroup Account Settings -> [account name] Server Settings" and change the option for "When I delete a message" to "Remove it immediately."