On 10/11/2012 10:27, Wietse Venema wrote: > staticsafe: >> On 10/11/2012 10:08, Wietse Venema wrote: >>> staticsafe: >>>> Hi, >>>> >>>> Over the last week or so I've noticed many instances of the following >>>> message in my mail.log. This warning is triggered everytime the local >>>> Nagios daemon performs to check if the smtpd is ok. >>>> >>>> Oct 7 06:45:38 bender postfix/smtpd[12981]: warning: >>>> 2600:3c03::f03c:91ff:fedf:219a: address not listed for hostname >>>> bender.entropynet.net >>>> >>>> DNS is correct: >>>> $ dig +short AAAA bender.entropynet.net >>>> 2600:3c03::f03c:91ff:fedf:219a >>>> $ dig +short -x 2600:3c03::f03c:91ff:fedf:219a >>>> bender.entropynet.net. >>>> >>>> Am I missing something? Please advise. >>> >>> Turn on multi-address support. >>> >>> http://www.postfix.org/LINUX_README.html >>> >>> Wietse >>> >> Thank you. I have just checked /etc/host.conf and it already says `multi >> on`. My server is running Debian Squeeze running postfix version >> 2.7.1-1+squeeze1. > > First check the host.conf, hosts, and resolv.conf files in > /var/spool/postfix/etc. > > If that does not cause the coin to drop, compile and run the attached > getaddrinfo and getnameinfo programs. Postfix requires that the > hostname from getnameinfo() will resolve with getaddrinfo() to the > client IP address. > > Wietse >
Interesting. There is no host.conf file in /var/spool/postfix/etc, only hosts and resolv.conf, perhaps this is the issue? -- staticsafe http://staticsafe.ca
