Hi
good to see ... anyway being on this blacklist has not
caused us any problem
> On Thu, 2009-05-14 at 13:40 +0200, David Saez Padros wrote:
>> Hi
>>
>>>> we use callbacks on a similar way, we do not do the callback
>>>> if the incoming mail passes spf, dkim is not used to prevent
>>>> callbacks because we do callbacks at RCPT time and dkim needs
>>>> to reach DATA, we also use whitelisting to prevent callouts too
>>> Can I ask why you don't do the call backs in DATA then? If I were to use
>>> callbacks, personally I'd want to make sure they were run at the very
>>> end of my spam filtering to reduce the likelyhood of my server being
>>> listed on an RBL for backscatter...
>> it takes less resouces to do the callback at rcpt than at the very
>> end of the spam filtering (but we do callouts at the end of all
>> rcpt checks). You can reduce the chance to get listed on a RBL by
>> using spf, whitelists, etc .. (calloouts also have it's own cache)
>> we have been using callouts since they exist without ever being
>> blacklisted
>>
> I think you will find that the MX's for ols.es are indeed listed at
> backscatterer.org :
>
> Testresult for 78.129.233.52:
> This IP IS CURRENTLY LISTED in our Database.
>
> Testresult for 82.98.132.208:
> This IP IS CURRENTLY LISTED in our Database.
>
> And have been listed on and off for a while.
>
>
>
>
> John.
>
--
Salu-2 y hasta pronto ...
----------------------------------------------------------------
David Saez Padros http://www.ols.es
On-Line Services 2000 S.L. telf +34 902 50 29 75
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