[TriLUG] Spamassassin to filter non-US

[Brian Phelps]

On Thu, Oct 2, 2008 at 12:12 PM, Michael Peters <mpeters at plusthree.com> wrote:
> Cristóbal Palmer wrote:
>> If you must block
>> IPs, pick some known-foreign ranges (eg. Chinese, Russian) and call it
>> good, but don't waste time trying to find an exhaustive or
>> authoritative list.
>
> Another wrinkle in this is that most spam comes from botnets which are world-wide. Just cause you're
> blocking the chinese machines in a bot net doesn't mean it won't send to you.
The HELO IP is 99% of the time  foreign
>
> --
> Michael Peters
> Plus Three, LP
>
> --
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-- 
Brian Phelps
System Design Engineer
Custom Light and Sound
919-286-0011
http://customlightandsound.com