On Tuesday 15 November 2011 20:58:32 Reindl Harald wrote:
> is there any good reason why this is rejected with 450 instead 5xx
> to tell the sending server "do not try again with your config"?
>
> Nov 16 03:53:37 mail postfix/smtpd[15778]: NOQUEUE: reject: RCPT
> from unknown[193.83.162.5]: 450 4.7.1 Client host rejected: cannot
> find your reverse hostname, [193.83.162.5]
postconf.5.html#unknown_client_reject_code
postconf.5.html#reject_unknown_client_hostname
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