Spammers tune their game to stay ahead of filters and law enforcement

When Microsoft slayed the notorious botnet Rustock, which had been sending as much as 40 percent of all spam worldwide, in March 2011, it forced the volume of spam into a decline from which it has never fully recovered.

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Read more: Spammers tune their game to stay ahead of filters and law enforcement

Story added 7. June 2012, content source with full text you can find at link above.