On Thu, 21 Mar 2019, Pedro David Marco wrote:
Any idea about how to detect white text over white background in HTML?
There are existing "low contrast" rules.
"low contrast" *by itself* has historically had a poor-enough S/O that
it's not a usable spam sign in isolation.
https://ruleqa.spamassassin.org/20190320-r1855888-n/HTML_FONT_LOW_CONTRAST/detail
It looks like I need to do another FP avoidance tuning pass:
https://ruleqa.spamassassin.org/20190320-r1855888-n/__HTML_FONT_LOW_CONTRAST_MINFP/detail
Some combinations do perform fairly well:
https://ruleqa.spamassassin.org/20190320-r1855888-n/NORDNS_LOW_CONTRAST/detail
Can you post a spample?
--
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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