Nancy McGough (Infinite Ink) has been a major source of information for me when it comes to PINE and email in general. I came across her Deflexion site quite by accident and find it’s also an excellent source of information, this time about email in general and SPAM and anti-SPAM measures in particular. Here is where I learned about [email protected], The SpamBouncer: a Procmail-Based Spam Filter and EmailDiscussions.com.