Massive surge in spam hits the Internet

A massive surge of spam has hit the Internet in recent months that appear to be spammers increasing the use of botnets.  The spam botnets have grown three times larger since June and they are flooding the Internet spam.  TQMcube posted the following chart showing the alarming rise in spam.

The red lines represent the total amount of spam while the yellow line represents the size of the botnet.

Reader icheyne asked me if there was a good solution for spam and what I advocate.  It was a very good question and I gave a summarized response here.