This sometimes happens because of a remnant mailbox – user or archive – that prevents the creation of a new mailbox. The fix is to forcibly remove the existing mailbox and re-create it. The article below describes the process.
This sometimes happens because of a remnant mailbox – user or archive – that prevents the creation of a new mailbox. The fix is to forcibly remove the existing mailbox and re-create it. The article below describes the process.