8.6.30 Flush mail from local spool

To flush mail from the local spool:

     # exim -q    # flush waiting mail
     # exim -qf   # flush all mail
     # exim -qff  # flush even frozen mail

-qff may be better as an option in the /etc/ppp/ip-up.d/exim script. For Sarge, replace exim with exim4.