Spam and E-mail Marketing White Papers
Fooling and Poisoning Adaptive Spam Filters
Overview Spammers are using increasingly sophisticated means to get their messages past adaptive spam filters. They range from simply hiding messages in innocent text, to smarter techniques that attempt - at the training stage - to confuse the filter's ability to differentiate spam from non-spam. This white paper explores these methods, plus the uses of concealed HTML code and web bugs to fool adaptive filters. The defenses available to email users are outlined, and the paper concludes with a brief look at the future for spammers.
| Publisher | Sophos | File Format | PDF, requires Acrobat Rdr 5 |
|---|---|---|---|
| Date Published | November 2003 | Downloads | 43 |
| Format | White Papers | ||
| Topics | |||
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