How Vigra Spam Works

There's no escaping spam these days. Even with the best Bayesian filters, blacklists and other filtering techniques, most of us are still plagued with an endless stream of invitations for all sorts of weird and wonderful products and services. One of the most common forms is advertising for pharmacological products - and perhaps the most notorious form is for the 'men's health' variety- notably Sildenafil citrate, more commonly known as Viagra. But how do spammers make their money?

In the US, Viagra is available via prescription only, and will cost around $10 per pill. Pfizer still control the production and distribution of Viagra in the US, so in essence they can control this price to maximise profit and to recoup the cost of development. >> More