Hi All, Is there a way to change the NDR on postfix so that if we get an error like below where the MX record doesn't exist, customers get a NDR straight away instead of waiting the for the maximal_queue_lifetime which we have set to 3 days?
maillog.1:Jul 11 15:19:36 MyMailServer postfix/smtp[22320]: 610865A761: to=< abc....@wilsonhtm.com>, relay=none, delay=8.6, delays=0.04/0/8.6/0, dsn=4.4.3, status=deferred (Host or domain name not found. Name service error for name=wilsonhtm.com type=MX: Host not found, try again) Thanks..