From: David Walker <antispam(_at_)grax(_dot_)com>
Well I hate to use this as an argument in favor of RMX but it is true (at
least theoretically).
Assuming a wide implementation of RMX by DNS admins ticked that their domains
were used as return addresses on spams, the spammers would have to register
their own junk domains. If mail admins started rejecting mail from these
junk domains the spammers would have to register more junk domains. More
domains registered = more profit for a domain name registry operator.
Would registering more junk domains mean that the spammer will be spending
more money on sending spam? Wouldn't eventually that create a big enough
expense for the spammer which would be comparable with the cost of postage
for sending a regular letter? That would lead to higher cost of sending
spam thus reducing the incentive and the overall spam problem. (I cannot
work out the mathematics in my head right now but I don't think this cost
will ever get high enough.)
Also, if the ICANN rule about having correct WHOIS information would
actually be enforced with some kind of fines or penalties, wouldn't that
force the registrars to have better ID procedures on who actually registers
domain names thus reducing the overall number of junk domains? This is part
of the overall economic aspect to spam which needs to be discussed further.
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Yakov Shafranovich / <research(_at_)solidmatrix(_dot_)com>
SolidMatrix Research, a division of SolidMatrix Technologies, Inc.
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"One who watches the wind will never sow, and one who keeps his eyes on
the clouds will never reap" (Ecclesiastes 11:4)
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