Our client's domains are all secured. Per the essential email security standards, all DMARC, DKIM, and SPF and other essential settings are mandatory configured on our server to ensure all domains hosted by us, are safe, secured and as much as possible, spam free. Just like other major inbox providers like Google. These records verify that your emails come from a legitimate source and are safe to open. And that your domain is NOT spoofed. Move over to NSPE and get this feature for free.