Re: Message Rejected - ReadList.com

2 msg	postmap header_checks error
10 msg	mailbox_command (dovecot lda) stopped working, ...
5 msg	mynetworks via LDAP lookup
7 msg	Local recipient table in LDAP problem
2 msg	proxy_read_maps
1 msg	smtpd_restriction_class and it's lookup

Message Rejected
\ Duane Hill (24 Jan 2008)
. \ Victor Duchovni (24 Jan 2008)
. . \ Duane Hill (24 Jan 2008)
. . . \ Duane Hill (24 Jan 2008)
. . . \ Duane Hill (24 Jan 2008)
. . . . \ mouss (24 Jan 2008)
. . . . . \ Noel Jones (24 Jan 2008)
. . \ Duane Hill (24 Jan 2008)

12 msg	Customize to filter attachment ?
2 msg	Relay question
14 msg	unnecessary routing?
4 msg	do not use 'reject_maps_rbl'?
9 msg	Fwd: Postfix in OpenVZ.
2 msg	bypass body_checks for local mail?
4 msg	catchall with relay_recipient_maps
4 msg	'Name server failure' is output
3 msg	smtp_sasl_password_maps lookups
16 msg	Postfix Queues on a Ram Disk
15 msg	sendmail compared to smtp sending
3 msg	Postfix does not recognize remote emails
2 msg	How to disable SSLv2 on smtpd opportunistic TLS?

Subject:	Re: Message Rejected
Group:	Postfix-users
From:	Noel Jones
Date:	24 Jan 2008

mouss wrote:
> Duane Hill wrote:
>> On Thu, 24 Jan 2008 05:36:00 +0000
>> Duane Hill <d.hill> wrote:
>>
>>
>>> On Wed, 23 Jan 2008 23:47:54 -0500
>>> Victor Duchovni <Victor.Duchovni> wrote:
>>>
>>>
>>>>> Jan 24 03:03:46 smtpgate postfix/smtpd[60887]: NOQUEUE: reject:
>>>>> RCPT from vds-dacp2.vispnoc.net[209.163.188.148]: 550 5.1.1
>>>>> <7corkeys>: Recipient address rejected:
>>>>> undeliverable address: host 162.42.148.120[162.42.148.120] said:
>>>>> 550 7corkeys unknown user account (in reply
>>>>> to RCPT TO command); from=<shannon>
>>>>> to=<7corkeys> proto=ESMTP
>>>>> helo=<vds-dacp2.vispnoc.net>
>>>>>
>>>> The host 162.42.148.120, which does not appear to be running
>>>> Postfix, rejected this recipient. The string "unknown user account"
>>>> does not appear in the Postfix source code, the response lacks DSN
>>>> information and does not enclose the recipient address in <>.
>>>>
>>>> To find the reason, debug the non-Postfix software running on
>>>> 162.42.148.120.
>>>>
>>
>> I just checked the logs on the .120 server and there is no log of a
>> connection. If a connection was attempted, it would have been
>> logged. Would it be possible if the connection timed out it would be
>> considered a failed attempt to verify the account thus rejected as
>> unknown account?
>>
>
> the postfix log contains
> host 162.42.148.120[162.42.148.120] said:
>
> so postfix connected to some .120 IP and got a reject "... unknown user
> account ...".
>
> if you have a load balancer or so, or if IPs were reassigned, ... you
> may need to check other machines. or if the remote machine doesn't have
> the same date/time, check other log files.
>
>

Since address verification results are cached, the probe may
have been sent earlier when the recipient was first seen.

--
Noel Jones