On 2006-08-31 18:05:40 -0400, Kim André Akerĝ
<kimandre@NOSPAMbetadome.com> said:

> As Corey mentioned, only the receiving systems might be blocking spam
> (natm[1]). Some admins block spam based on IP address, while others
> don't base themselves on sender IP address to deal with the spam
> problem.

Actually, many Spam filtering services block entire netblocks or large
IP ranges.

These guys:

<http://www.airscreen.net/>

are notorious for it. It a really really bad practice, but some ISP's
do it regardless.

Ben

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