Spam Challenge-Response system
bms at mscis.org
Thu Apr 9 15:58:54 MDT 2009
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Michael Torrie wrote:
> I'm not convinced that RBLs are effective anyway.
When I worked at Verio, if we installed the sendmail RBLs, it would
bring an immediate halt to almost all their spam. It definitely works.
Furthermore, I never ran into anyone that wasn't able to get email from
someone they wanted to get email from as a result of the RBLs. It
happens, but it's rare, especially compared to the amount of spam blocked.
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