If it comes to embracing one email-focused protection solution or another, what is best for an organization?
Many orgs solely deploy DLP for email due to an enterprise DLP purchase; however, does this protect against spear phising, whaling, or spamming?
Not really, especially if your DLP deployment is in its infancy. With that said, email protections like DMAC & SPF will not work to prevent data loss without some type of content & context-aware solution (e.g., classification, labeling).
Thankfully, email-as-a-service (EmaaS) cloud providers include both services, while usually as an add-on service at an additional cost.
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