Is Someone Spoofing Your Business Email? 

Is Someone Spoofing Your Business Email? What SPF, DKIM and DMARC Actually Do

Owning your business domain doesn’t automatically stop someone else from trying to use it.  An attacker may send a message that appears to come from your company, even if it never passed through your email system. To the recipient, the message looks like a legitimate invoice, payment update, support request, shipping notice, or leadership email.  […]