Tuesday 24 May 2011

Everything You Know about Spam Filters is Wrong

  (HP Input Output)

Filtering spam email is all about looking in the content of the message, trying to find certain dodgy words or phrases, right? Well... no. Not so much. While that was certainly true in the email Dark Ages of ten years ago, today’s filters are completely different.

Spam filters need to sift through your incoming email stream and automatically decide which are spam and which are legitimate—or ham. It’s a tremendously difficult job to get right; to reach today’s levels of filter accuracy, anti-spam technologists over the years have invested huge amounts of financial and intellectual capital.

To decode the mysteries, read on...

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