Spammers vs the Spam Filter

Since the beginning of email, as we know it, spam filters and spammers have been battling it out to gain control over our inboxes. For those who are unsure: spammers send out mass unsolicited mailings which flood inboxes and, if sent in the thousands or more, cause a slow down in data flow for ISPs. In an attempt to overcome this spam filters were put in place to restrict spam emails from arriving in users' inboxes. This is the story of the evolution of those filters, showing why they act the way they do on