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Posted by on May 3, 2006, 12:25 pm
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jmeissen@aracnet.com wrote:
Editor wrote:
>> [TELECOM Digest Editor's Note: Yes, but just imagine, if every
>> legitimate netizen out there would make the effort to add five or
>> ten minutes of extra work to the load of their favorite spammer.
> Then you end up with a distributed denial of service attack on the
> mail servers of the world.
What if mail server operators set up their systems to firewall IP
addresses which attempt to send to over a certain percentage of
invalid addresses?
What if more mail-ops require valid reverse DNS as a condition of
accepting mail sessions? This would screen out most of the bot-nets.
And " wpoison " which was the first well-known harvester-polluting web
script always used invalid first-level domains to avoid the DDoS
problem.
-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
Herb Oxley
From: address IS Valid.
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