K bharathan wrote:
i get the following warning from the relay log; this happens when this
client connect to my relay; always i get this
Jul 15 17:06:07 relay1 postfix/qmgr[3664]: 5CA7F16135E: from=<a...@foo.com
<mailto:a...@foo.com>>, size=483945, nrcpt=2 (queue active)
Jul 15 17:13:59 relay1 postfix/smtpd[16344]: warning: 192.168.2.35
<http://192.168.2.35>: address not listed for hostname smtp.foo.com
<http://smtp.foo.com>
Jul 15 17:28:11 relay1 postfix/smtpd[15893]: warning: 192.168.2.35
<http://192.168.2.35>: address not listed for hostname smtp.foo.com
<http://smtp.foo.com>
Jul 15 17:31:06 relay1 postfix/smtpd[16490]: warning: 192.168.2.35
<http://192.168.2.35>: address not listed for hostname smtp.foo.com
<http://smtp.foo.com>
Jul 15 17:31:40 relay1 postfix/smtpd[16345]: warning: 192.168.2.35
<http://192.168.2.35>: address not listed for hostname smtp.foo.com
<http://smtp.foo.com>
what could be causing this warning?
The DNS for that client is not set correctly, therefore
postfix will label the client as "unknown".
192.168.2.35 resolves to smtp.foo.com
smtp.foo.com resolves to some other IP.
If it's not your client, it's not your problem.
-- Noel Jones
