The deployment of DMARC is an effective way to limit the spoofing of email from protected domains, however, there has been little research on the economic value of deploying DMARC. This paper shows that there is in fact significant value from deployment of DMARC, even looking at only one specific benefit of many (limited to Business Email Compromise, or BEC) and only from deploying DMARC at one of the higher policy levels.

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