Forum Discussion
Phishing from spoofed corporate email address
Hello everyone, We received a phishing email in our company today, the problem is that it looked a lot like it came from our own domain: "ms03support-onlinesubscription-noticfication-mailsettings@...
Cannot speak without seeing the full set of information about this message, but in general phishing can happen. Features such as ATP's anti-spoof protection, DKIM, DMARC help, and you can also set up a simple transport rule that flag every external email: https://office365itpros.com/2019/03/08/marking-external-email-with-exchange-transport-rule/