Comment by toxik

Modern-day spam is typically generative, and modelling the distribution of "natural e-mail messages" is sadly too naive today. Human beings also understand text through vision, not through bits -- so 1oca1host is just me corrupting the word localhost, but making that inference requires a visual understanding of words. That also gave rise to what is probably a more common spam variant today: the text-embedded-as-an-image type. I've long been of the impression that the only proper way to do text analysis is by vision, a more end-to-end solution as it were.