Others
Delete email using Putty or Command Line – Linux server

To remove all email older than one year from this account’s Junk folder via the command line, use the following command: whmapi1 expunge_mailbox_messages account=user@hpiservers.com mailbox=INBOX.Junk query=’savedbefore 52w’ To remove all email older than one year from this account’s INBOX via the command line, use the following command: whmapi1 expunge_mailbox_messages account=user@hpiservers.com mailbox=INBOX query=’savedbefore 52w’