* Alex <mysqlstud...@gmail.com>: > Hi, > > I have a fc15 server with postfix-2.8.10 and have enabled postscreen. > I've enabled it before without any difficulty, so I'm not sure what > I'm doing wrong in this case. For some reason it is printing these > errors periodically: > > Oct 31 23:41:15 portal postfix/dnsblog[1520]: warning: dnsblog_query: > lookup error for DNS query 23.49.18.189.zen.spamhaus.org: Host or > domain name not found. Name service error for > name=23.49.18.189.zen.spamhaus.org type=A: Host not found, try again
cat /etc/resolv.conf postfix check what's the output of those? > Does this simply mean it wasn't found in spamhaus and is recording > that? No, it's a DNS lookup error (SERVFAIL) -- [*] sys4 AG http://sys4.de, +49 (89) 30 90 46 64 Franziskanerstraße 15, 81669 München Sitz der Gesellschaft: München, Amtsgericht München: HRB 199263 Vorstand: Patrick Ben Koetter, Axel von der Ohe, Marc Schiffbauer Aufsichtsratsvorsitzender: Joerg Heidrich
