It wouldn't even reduce the amount of spam.
Is it just me or why do I get the impression that a lot of
people think
that spammers are dumb idiots and that telling them "nanana, you can't
do this anymore" will change a thing?
Lightweight authentication by IP address will reduce the amount
of spam in the short term. In most part the same way that car
alarms reduce the chance that YOUR car is the one stolen.
--- I can tell you that when we added LDAP to our 821 process, the volume of
spammers actually trying to make connections dropped by over 1/2 and has
stayed down since Sept of last year. Real world example of just saying
"nanana" actually reduces over-all spam connection load.
Regards,
Damon
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