Clear out inbox email backlog for instance accountIssue After testing emails and enabling/disabling the instance email for troubleshooting purposes, a number of email records are present in the inbox, which will need to be cleared out before enabling it definitely again, to prevent a large volume of test emails being sent to the POP3 account.ResolutionSteps to delete all the inbound emails in the mailbox: - Filter Navigator > Emails > Inbox/Received - Select the 'All' check box on top left - Select 'Delete' from the 'Actions on selected rows' menu on top right