On 26/01/2018 23:54, David B Funk wrote:
Regardless, giving -1 score for SPF_PASS and another -1 for
SPF_HELO_PASS is nontrivial DainBRamage.
It's trivial for a spammer to set up SPF on a throw-away domain and
thus waltz thru that kind of filtering.
On 27.01.18 11:35, Daniele Duca wrote:
You are spot on, spammers are much more competent in setting up
spf/dkim than most of legit mail administrators.
I personally score spf/dkim that passes at 0 and only penalize the fails
note that score of "0" disables a rule, so this disables rules that depend
on SPF_PASS or SPF_HELO_PASS.
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