According to Spamhaus which is one of the largest non-profit organizations whose mission is to  protect the internet networks worldwide by tracking the internet’s spam operation and sources  ” 90% of the Emails in North America, Europe , Australia ,and other countries are spams”

 

I encourage all our visitors to check the ROSKO list provided by spamhaus which includes the names of  100 Known spam operation

 

http://www.spamhaus.org/rokso/