[CentOS] spam control

Aleksandar Milivojevic alex at milivojevic.org
Wed Oct 25 14:59:32 UTC 2006

Quoting DamianS <clovis at iinet.net.au>:

> There is a way to block 99% of spam though.
> That solution is for ISPs to start charging money for each email sent!

Not going to happen.  The ISP that starts doing that will loose  
99.999% of it's customers day after they start charging ;-)

Anyhow, static IP addresses are cheap.  Even /24 block of IP addresses  
is something like $1200 one time fee (or somewhere around that number)  
plus some small yearly fee (however, you run a risk that some big ISPs  
filter out small blocks in BGP announcements (was it /19?), or at  
least Sprint used to do that).  It's not that hard to bypass your ISP.

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