On 12/19/2011 5:10 PM, Stan Hoeppner wrote:
> On 12/19/2011 12:44 PM, Wietse Venema wrote:
>> Tolga:
>>> I did like you said (did a postmap -q ip.add.ress.here
>>> cidr:sinokorea.cidr). Today, I thought I'd check logs, and one thing I
>>> noticed is Dec 19 20:09:24 bilgisayarciniz postfix/smtpd[16163]:
>>> NOQUEUE: reject: RCPT from mail2-188.sinamail.sina.com.cn[60.28.2.188]:
>>> 451 4.3.5 Server configuration error; from=<lvkybzvlen...@sina.com>
>>> to=<i...@vetbbc.com>  proto=ESMTP helo=<mail2-188.sinamail.sina.com.cn>.
>>> What should I do?
>>
>> Postfix has logged a description of the error, in a warning message
>> around 20:09:24.
>>
>>      Wietse
> 
> Tolga, Wietse is referring to the mail error file.  Grep
> 
> /etc/syslog.conf or /etc/rsyslog.conf for 'mail.err' to find what file
> Postfix logs errors to on your system.  Different flavors of *nix may
> use different file names.

Grep for 'mail.warn' as well, and grep for the timestamp in the file to
which warning messages are logged, if indeed it is a different file.  If
your system logs all mail messages to the same file, look for a warning
message around the time stamp in question.

> Once you find the mail error file on your system grep for the time stamp
> above, 20:09:xx.  Report the error.

If you are not already, you need to be familiar with how your operating
system logs various messages, and to what files.

-- 
Stan

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