Spam prevention vs mitigation

[Steve Sirag <stevesirag () gmail com>]

Hi,

My bosses are demanding 100% spam prevention, and I'd like to find some
industry papers, articles, etc that explains why that's not advisable (if
even possible).  My understanding is that spam mitigation is the goal,
keeping spam down to where it's not a distraction from business.  Our
current spam level is roughly 3-6 spams received per user per day.  That
seems manageable to me, but I'd like the extra ammunition going into the
meeting.

Can anyone help?

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