All:

A few posts back was a suggestion for checking the MD5 checksum of
attached images against a blacklist to catch the current wave of
attached-image-only stock pump-and-dump scam spams.

Taking that to its logical conclusion suggests the creation of a
public Image Realtime Block List along the lines of what SURBL
provides for URLs, and extending SA to MD5-sum attached images and
check them against the block list.

Is this a good idea? Is this a bad idea? Is it pointless, as spammers
would just generate per-message images the way they are probably
generating per-message random Bayes poison now? Is it already covered
by Razor et. al.?

Comments are solicited!

--
 John Hardin KA7OHZ    ICQ#15735746    http://www.impsec.org/~jhardin/
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