Re: [exim] blacklists problem

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Author: Ian Eiloart
Date:  
To: Dmitriy Kirhlarov, Exim-users
Subject: Re: [exim] blacklists problem


--On 29 August 2008 15:56:37 +0400 Dmitriy Kirhlarov <dimma@???> wrote:

> Ian Eiloart wrote:
>>
>>
>> --On 28 August 2008 23:11:45 +0400 Dmitriy Kirhlarov <dimma@???>
>> wrote:
>>
>>> Hi, list
>>>
>>> We are using exim with our own blacklist.
>>> Config is:
>>> acl_check_connect:
>>> ...
>>>    defer         message         = rejected because
>>>    $sender_host_address\ is in black list at $dnslist_domain\n\
>>>                                  $dnslist_text
>>>                  dnslists        = my.black.list
>>> ...

>>>
>>> time-to-time under heavy load we looking strange behavior:
>>> connection from IP-address A closing with message like as rejected
>>> because address B in in blacklist.
>>> Address B really in black list. It's correct. But A and B addresses
>>> absolutely different and A not blacklisted.
>>> Any ideas?
>>
>> I think we need more clues. Does this happen only for a specific
>> address? IE. is address 'A' or address 'B' always the same? If so, what
>> are the addresses in question.
>
> This happen for random addresses (any A and any B. B really
> blacklisted). Every time under heavy load.
>
>


My best guess is that the file system isn't keeping up with the reads.
Since you are only deferring, the sender should be able to retry.


--
Ian Eiloart
IT Services, University of Sussex
x3148