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Enterprise gateways' spam modules can use things like SPF results (Hard Fail/Soft Fail/Temp Error/Perm Error) to dictate a certain spam score, but that is usually custom.
What is seen is that implementing DMARC (succesfully) absolutely improves deliverability, particularly at consumer ISPs.
The former CISO of HMRC wrote a public piece the other day saying how, as well as blocking over half a billion phishing emails, their deliverability of legitimate email went from 18% to 98%.
Not all enterprise gateways are checking DMARC yet, which is part of the battle. However, when they do, they can use a successful result to bypass certain spam or filtering modules.
Why do you ask?
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stevo_com
Aroogah
@fidbod
One for the DMARC experts
When enterprise spam filters use scoring algorithms to classify an email as spam or otherwise, does the domain having DMARC implemented influence the spam score of an email sent from the domain?
Or to put it another way - does implementing DMARC make my corporate emails appear less spammy?
@stevo_com / @Dammit if you have time to offer a pro's opinion, I would appreciate it.