excluding checks for @mynetowrks - amavis vs. postfix problem

Tomas Macek macek at fortech.cz
Wed Sep 21 12:11:30 CEST 2011

On Wed, 21 Sep 2011, Jakob Curdes wrote:

> Am 21.09.2011 10:51, schrieb Tomas Macek:
>> I want to exclude some part of Postfix's mynetworks from Amavis spam 
>> checks, but really only some part, the rest should be checked as ussual. 
>> The "some part" is a subnet, in that I have all my servers sending emails, 
>> that should be excluded.
>> For example here I'm trying to say, that my servers (that I want to 
>> exclude) are in subnet.
> A side remark: I never exclude local servers completely - what if one of 
> these gets hacked and start sending out spam? You would not  even notice it 
> before your upstream  Mail server starts to block your requests. I just give 
> these machines a negative score that ensures passthrough of normal or even 
> slightly spammy mail but would detect blatant bot-like spam.
> This would also solve your problem with mynetworks as you just declare the 
> networks you want to exclude without a connection to postfix "mynetworks".
> JC

> I just give these machines a negative score ...

Nice, but I really don't know, how could I achieve that per IP address 
(howto begin with negative score). I found only this: 


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