On Tue, Oct 07, 2008 at 10:49:46AM -0400, Darek M. wrote:
> I have a weird issue where a sender with a valid reverse DNS entry is
> getting rejected.
>
> main.cf:
> ===
> smtpd_delay_reject = yes
> smtpd_client_restrictions =
> ...
> reject_unknown_reverse_client_hostname
>
>
> Oct 4 19:04:21 postfix/smtpd[231]: connect from unknown[64.68.XXX.XXX]
You've left out the DNS related warnings logged between the log entry above
and the one below. Please look at these, and post them if you still have
a question.
> Oct 4 19:04:21 postfix/smtpd[231]: NOQUEUE: reject: RCPT from
> unknown[64.68.XXX.XXX]: 450 4.7.1 Client host rejected: cannot find your
> reverse hostname, [64.68.XXX.XXX]; from=<[EMAIL PROTECTED]> to=<[EMAIL
> PROTECTED]>
> proto=ESMTP helo=<Y.COM>
This is a transient failure. What are your unknown_mumble_reject_codes
set to? After tuning and testing your rules, you should have:
unknown_address_reject_code = 550
unknown_client_reject_code = 550
unknown_hostname_reject_code = 550
unknown_local_recipient_reject_code = 550
unknown_relay_recipient_reject_code = 550
unknown_virtual_alias_reject_code = 550
unknown_virtual_mailbox_reject_code = 550
--
Viktor.
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