Gandul
According to the report, in the third quarter of 2010, the first ten worst spammers sent 55% of the total unwanted messages.
Three East European countries rank among the first five spam sending nations. The United Kingdom was not included among the first ten spam sending countries.
About 95% of total email messages are considered to be spam. Many of them are sent by botnets, systems controlled by hackers.
India is the top spamming country (responsible for 11% of spam), followed by Brazil and Russia (with more than 8% each).