Yes, yes it can. But, how?
DMARC, by itself, does not stop a spammer from sending email. To be effective at reducing spam, everyone needs to implement DMARC and follow-up by improving the compliance rates of their outbound emails. As your legitimate email becomes more DMARC compliant, you can begin to tell recipients to ignore email that isn’t compliant. This spam will bounce and foil the spammers trying to use your brand!
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Your email might have been blacklisted at one time. You probably found that out when customers or suppliers told you that they weren’t receiving email they were expecting from you. It’s painful and can shutdown your business. Staying off blacklists is just one of the ways to guard your email deliverability. The other is DMARC. DMARC enables you to proactively obtain feedback about your email so that you know about how your recipients’ email systems perceive your email quality. From that information, you can determine how to improve your email quality before it becomes a blacklisting issue.