Guy: > Hi guys, > > I had a problem earlier today when our local DNS server's forwarding > servers were slow to respond. > > I had a number of emails from various sources rejected as blocked by > zen.spamhaus.org. The IPs I checked weren't on the list according to > the spamhaus website. > I did notice that doing a "dig @localdns.server zen.spamhaus.org" > didn't always return an answer. After changing the forwarding servers > in bind the problem seems to have cleared up. > > Is this the expected behaviour from Postfix if an rbl cannot be > reached? Is it possible to have Postfix pass the mail rather than > reject if the server cannot find the rbl? Or would that be a bad idea > even if it can be done?
Postfix WILL BLOCK MAIL ONLY when a blacklist server responds.
