tswmmeejsdad .: > 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)
You have mis-configured Postfix. By default, Postfix DOES NOT immediately send an NDR for a 4.4.3 error. TO REPORT A PROBLEM see http://www.postfix.org/DEBUG_README.html#mail TO (UN)SUBSCRIBE see http://www.postfix.org/lists.html Thank you for using Postfix.