Jari Fredriksson wrote:
As the mail contains no text, there propably is not much to learn.
Why not? Bayes learns from headers as well, and headers can be just as useful as body text for classifying mail.
(Note: I haven't seen a single one of these PNG-only spams, so I don't know how telling their headers are in practice.)
Regards /Jonas -- Jonas Eckerman Fruktträdet & Förbundet Sveriges Dövblinda http://www.fsdb.org/ http://www.frukt.org/ http://whatever.frukt.org/