The big winner was AS 7788 MAGMA-COMM, which dropped from #3 to #147
by decreasing from millions to less than a thousand spam messages in the
January 2013
for
Canada.
Magma had a brief spate of Kelihos spam in the middle of the month,
but it only lasted less than a week.
Almost as good was AS 6407 PRIMUS-AS6407, dropping from millions
the previous month to a few hundred thousand, and from #6 to #11.
That one while beating its Kelihos problem, seems to have developed
a Cutwail problem, which was sending increasingly
more spam at the end of the month.
Since
Magma was bought by Primus in 2004,
Primus gets double congratulations!
-jsq