After getting 59 order to purchase Viagra in one day, I finally became very angry. I previously tried MailWasher and was not terribly impressed with the product ( I am one of those people who like to have the full control over my email). Thanks to Google I found a nice little utility called NoSpamPlease 2003, which can be downloaded from: www.reallygood-software.com/downloads/nspsetup.exe It works extremely well and I like to use it with my laptop and mobile phone.
runs on your mailserver to detect and segregate spam.
you could also try altering your procmail settings to catch some of the spam