On Fri, 14 Feb 2014, Adam Katz wrote:

Yes, there is an increased FP risk due to the ability to match different
hex strings (e.g. a list of checksums).  That's probably where the
current Rule QA FPs <http://ruleqa.spamassassin.org/?rule=/HEXHASH> come
from.

Good point. Perhaps it should be /\s[a-z]{1,10} rather than /\b[a-z]{1,10}
so that filename extensions don't match.

--
 John Hardin KA7OHZ                    http://www.impsec.org/~jhardin/
 jhar...@impsec.org    FALaholic #11174     pgpk -a jhar...@impsec.org
 key: 0xB8732E79 -- 2D8C 34F4 6411 F507 136C  AF76 D822 E6E6 B873 2E79
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