>> Sep 7 16:13:08 server postfix/smtpd[28363]: warning: >> 188.50.102.94.zen.spamhaus.org: RBL lookup error: Host or domain name not >> found. Name service error for name=188.50.102.94.zen.spamhaus.org type=A: >> Host not found, try again >> >> I am wondering - in normal checks against SpamHaus, if a host is not listed >> and the result is NXDOMAIN, I am assuming that Postfix interprets that the >> host is ?ok? and does not log any information. In this case, though, it has >> logged the information and I am wondering if this is because Postfix was >> unable to contact SpamHaus at all, not just regarding the record: >> 188.50.102.94.zen.spamhaus.org ? >> > > This service is free for low-volume clients only. If you send your > Spamhaus queries through a shared DNS resolver (like an ISP), then > you may exceed their 'free service' limits. You may be better off > using your own DNS resolver. > > Wietse
Hi Wietse, Yes, that is a good point. I believe I’m ok regarding query limits - I do run my own resolver for this server and the amount of e-mail that transits this particular server is very low. - J
