A method and system for filtering email spam using email noise reduction are described. In one embodiment, the method includes detecting, in an email message, data indicative of noise added to the email message to avoid spam filtering. The method further includes modifying the content of the email message...http://www.google.es/patents/US7831667?utm_source=gb-gplus-sharePatente US7831667 - Method and apparatus for filtering email spam using email noise reduction
Method and apparatus for filtering email spam using email noise reduction