On Thu, Oct 30, 2008 at 01:52:18PM -0200, M?rcio Luciano Donada wrote:
> Hi People,
> This user, citi.com send mail to mydomain, in the log file (postfix)
> verify messagem:
>
> Oct 30 13:46:23 mx postfix/smtpd[27167]: NOQUEUE: reject: RCPT from
> smtp2.citigroup.com[192.193.221.103]: 451 4.3.5 Server configuration
> problem; from=<[EMAIL PROTECTED]> to=<[EMAIL PROTECTED]>
> proto=ESMTP helo=<mail.citigroup.com>
>
> whats this is problem?
The main problem is failure to read the mail log, as not far above the
generic response sent to the remote client, the Postfix SMTP server
(sam pid) logs, for the eyes of the system administrator, the nature of
the misconfiguration.
--
Viktor.
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