what are the most effective way how to fight SPAM? I dont mean antispam filter, but reporting spammers and making them stop their spam. Cause my number of spam grows that much that it takes me too much time to thru it and veriffy there was no important emails in it.

My finds:

Here is how to report manually to internet service provider of spammer: http://www.smtp2go.com/blog/how-to-effectively-report-spam/

Perfect article: http://www.techsupportalert.com/content/how-report-spam.htm#Recommendations_For_Reporting_Any_Spam