Am 14.11.2014 um 17:11 schrieb listsb-spamassas...@bitrate.net:
one characteristic that appears to be pretty consistent is the age of the domain name that a given message references [from header, envelope sender, ptr record for remote mailservers referenced in received headers, etc]. quite often, the domain names are very recently registered. in many instances, the very same day the messages are received. is there a rule/ruleset out there that adds points to a score based on domain name age? the newer the domain, the higher the score is pushed up?
that's URIBL_RHS_DOB http://wiki.apache.org/spamassassin/Rules/URIBL_RHS_DOB sadly it turned out to be not that relieable for a very high score
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