Top 10 Countries Sending Spam (May 23-May 29)
May 31st, 2011

The top four nations where spam originated last week remained the same as the previous week according to spam data collected by ICSA Labs. The U.S. re-entered the top 10 last week after being absent the week before. In addition to checking out the top 10 also refer to the graph comparing spam percentage trends over the last 6 months for many of the top 10 spam-sending nations.