Rich Shepard wrote: > I'd like to fix a long-standing issue here; namely, I'm not calling the > zen zone at spamhaus.org properly in main.cf. What I have is: > > reject_rbl_client zen.spamhaus.org, > > as a smtpd_client_restrictions entry. > > Reading the spamhaus web site FAQs I see that zen is a DNS zone combining > their three other zones, not a host name. This explains the multiple > entries > in /var/log/maillog: > > Jan 15 13:13:59 salmo postfix/smtpd[13598]: warning: > 43.29.121.87.zen.spamhaus.org: RBL lookup error: Host or domain name not > found. Name service error for name=43.29.121.87.zen.spamhaus.org type=A: > Host not found, try again > > How do I properly refer lookups to zen.spamhaus.org? I did not find > anything relevant on the web site. > > TIA, > > Rich >
This usually happens when you are going above their amount of queries they limit free use to. -Matt