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From Axb <axb.li...@gmail.com>
Subject Re: yahoo rcvd bug?
Date Mon, 20 Oct 2014 14:43:56 GMT
On 10/20/2014 04:37 PM, Reindl Harald wrote:
>
>
> Am 20.10.2014 um 16:25 schrieb Axb:
>> On 10/20/2014 02:56 PM, Reindl Harald wrote:
>>>> seems your recursor couldn't resolve it, so your MTA added unknown...
>>>>
>>>> works for me:
>>>>
>>>> Received: from nm46-vm10.bullet.mail.bf1.yahoo.com
>>>> (nm46-vm10.bullet.mail.bf1.yahoo.com [216.109.114.203])
>>>
>>> what happens in case of a temporary DNS error?
>>>
>>> postfix anserwers in such cases with a 450
>>> even with "unknown_hostname_reject_code = 550"
>>
>> only if you do tell Postfix to do so..
>
> no true

oh yes it is...

> http://www.postfix.org/postconf.5.html#reject_unknown_client_hostname
>
> The unknown_client_reject_code parameter specifies the response code for
> rejected requests (default: 450). The reply is *always 450* in case the
> address->name or name->address lookup failed due to a *temporary problem*

reject_unknown_client_hostname
reject_unknown_reverse_client_hostname

are NOT default.

had he set such check it would have not hit SA..

>> not relevant..

> it's relevant in case the OP had a temporary DNS error because no
> nameserver responded resulting in a FP

it resulted in a FORGED_YAHOO_RCVD hit - takes way more than that to 
trigger a FP

anyway.. EOT...
(why am I wasting my time?)


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