[exim] SPAM-economics - OT - or maybe not

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Autor: W B Hacker
Data:  
A: exim users
Assumpte: [exim] SPAM-economics - OT - or maybe not
Several related articles in re the energy consumption of spam, and the
economic/energy returns earned by countering it effectively:

http://www.crn.com/security/216500943;jsessionid=PIRZRMECSH3WOQSNDLPCKH0CJUNN2JVN

http://news.cnet.com/8301-1023_3-10220363-93.html

http://www.newsfactor.com/news/Blocking-Spam-Would-Cut-Pollution/story.xhtml?story_id=03300316RKPR

Hardly as scientific, but Exim with tightened rDNS filtering et al has
allowed us to drop from Core-2 Duo 3 GHz to VIA C3/C7 at a mere fraction
of former power consumption...and cost.

YMMV, but what works here is to reject it early, not analyze and 'play'
with it.

Bill Hacker