Also, spam volumes have doubled in less than a year.
New Yotk Times:In the last six months, the problem has gotten measurably worse. Worldwide spam volumes have doubled from last year, according to Ironport, a spam filtering firm, and unsolicited junk mail now accounts for more than 9 of every 10 e-mail messages sent over the Internet.
I've noticed quite a bit more spam slipping through SA. I need to do some adjustments myself. How is SA with handling the newish picture spam? (Where the spam is on an image so that text-based filters don't work.)