European spam networks have pumped out <A HREF="http://news.zdnet.com/2100-1009_22-6229352.html?tag=nl.e550">more unsolicited email than those in the U.S.</A> for the third month in a row, according to security vendor Symantec.

Symantec called this a "significant shift" in spam trends as, historically, compromised U.S. computers have been used to send spam, and many spammers have been U.S.-based.