Thanks !
It's clear now

2011/7/10, Eric Shubert <e...@shubes.net>:
> On 07/10/2011 04:41 PM, Constantin IOAJA wrote:
>> On 11.07.2011 01:47, Carlos Herrera Polo wrote:
>>> Ok, but.... If the spammer send and email to my first server (mx 10)
>>> and spamdyke reject the session SMTP (graylist or rdns) , or
>>> spamassasin reject the email, then... The spammer smtp server will
>>> send the email to my second SMTP server ?... How work smtp backup
>>> server when spam is block ?
>>>
>>>
>> Spamassassin NOT rejects the messages !
>> SpamAssassin comes after confirmation is sent to the corresponding
>> server that received the message!
>> Corresponding server has no reason to send the message to the second MX.
>> SpamAssassin marks messages with SPAM and depending on how you setup :
>> to delete or leave them.
>>
>> http://wiki.apache.org/spamassassin/FrequentlyAskedQuestions
>>
>> Spamdyke send certain codes (SMTP Error Codes) ; These codes are
>> recognized by all mail servers.
>>
>> http://www.spamdyke.org/documentation/README.html#SMTP_ERROR
>>
>> Typically, a mail server does not send messages to the second MX if the
>> first MX is active.
>> Maybe just send manual (with scripts) directly to the IP of the second
>> MX server to do so.
>> That is another reason for installing safety measures on the second MX
>> server.
>>
>> I do not understand the last question.
>>
>>
>> Regards,
>>
>> Constantin
>>
>> P.S. Please post at the end of message for coherent discussion.
>>
>
> I might add that while most legitimate mailers will send to the primary
> MX first, many spammers send to lower priority mailers on purpose, as
> they often don't have anti-spam measures installed. By all means, you
> should run spamdyke, clamav and spamassassin on your secondary server.
> It's not a big deal if a message happens to get graylisted on each
> server. It will still eventually get through.
>
> --
> -Eric 'shubes'
>
>
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-- 
Enviado desde mi dispositivo móvil

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