Filtering spam with procmail
This example uses the "Search message body" flag to block any message containing the phrase "Dear adult webmaster:"
This example blocks any mail that isn't addressed specifically to you:
Since the announcements we send out aren't addressed specifically to anyone, you should make an exception for us. Click the 
button, and add notFrom support@accesscom.com.
This is a generic example of dropping anything from a common spam address:
