Pingdom posts email spam stats insight

The people over at Pingdom have posted some insight into email spam statistics: this includes an overview of spam facts, originating geolocations of spam and the size of botnets.
Some of the stats posted include the fact that the majority of spam is in English (90%), 2/3rd is pharmaceutical spam and spam from webmail services makes up only 0,7%. Furthermore newsletter spam is increasing too: that type of unsollicited mail is now secondary in unwanted mail.
From the botnet locations and activity below we can conclude that some of the major sources of spam from botnets are east-coast USA, Europe and India:

See the full article on Pingdom here.