Hello list members, Postfix keeps logging warnings like the following:
Sep 25 21:00:17 monthu postfix/smtpd[31253]: warning: hostname monthu.horus-it.com does not resolve to address 2a01:4f8:150:54c1::b009:2bd8: No address associated with hostname Name server queries appear to be successful: ; <<>> DiG 9.9.1-P3 <<>> -t AAAA monthu.horus-it.com ;; global options: +cmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 49133 ;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 1 ;; OPT PSEUDOSECTION: ; EDNS: version: 0, flags:; udp: 4096 ;; QUESTION SECTION: ;monthu.horus-it.com. IN AAAA ;; ANSWER SECTION: monthu.horus-it.com. 86400 IN AAAA 2a01:4f8:150:54c1::b009:2bd8 ;; Query time: 5 msec ;; SERVER: 213.133.100.100#53(213.133.100.100) ;; WHEN: Tue Sep 25 21:04:31 2012 ;; MSG SIZE rcvd: 76 ; <<>> DiG 9.9.1-P3 <<>> -x 2a01:4f8:150:54c1::b009:2bd8 ;; global options: +cmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 17245 ;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 3, ADDITIONAL: 1 ;; OPT PSEUDOSECTION: ; EDNS: version: 0, flags:; udp: 4096 ;; QUESTION SECTION: ;8.d.b.2.9.0.0.b.0.0.0.0.0.0.0.0.1.c.4.5.0.5.1.0.8.f.4.0.1.0.a.2.ip6.arpa. IN PTR ;; ANSWER SECTION: 8.d.b.2.9.0.0.b.0.0.0.0.0.0.0.0.1.c.4.5.0.5.1.0.8.f.4.0.1.0.a.2.ip6.arpa. 7200 IN PTR monthu.horus-it.com. ;; AUTHORITY SECTION: 8.f.4.0.1.0.a.2.ip6.arpa. 4592 IN NS ns1.your-server.de. 8.f.4.0.1.0.a.2.ip6.arpa. 4592 IN NS ns.second-ns.com. 8.f.4.0.1.0.a.2.ip6.arpa. 4592 IN NS ns3.second-ns.de. ;; Query time: 2 msec ;; SERVER: 213.133.100.100#53(213.133.100.100) ;; WHEN: Tue Sep 25 21:05:05 2012 ;; MSG SIZE rcvd: 221 Finally, the server's /etc/hosts file contains the following line: 2a01:4f8:150:54c1::b009:2bd8 monthu.horus-it.com monthu Any ideas what I might be doing wrong? Thanks. -Ralph
