Robert Lopez a écrit : > Having built new email gateways, it is time to retire the old ones. > > I have removed one email gateway running postfix from the MX records > for our college. > It still has a few hundred mail in the queues and some spam is still coming > in. > > What is the best way to stop the incoming email and allow the queues to empty? >
you can simply disable the smtpd service, or firewall it or whatever. note that some MTAs cache the transport decision, so they won't recheck DNS. to be on the safe side, give it a 2 weeks period.
