Enable DMARC on your Office 365 Domain with Reporting from ValiMail In this blog, I give you the steps on how to enable DMARC en DKIM for your domain. The end also how to activate the DMARC Reporting from ValiMail Many people configure DMARC and DKIM but only to monitor but then don’t do anything with it further because they don’t have a way to monitor what is happening.