Technical Guidance

Adding DMARC to Office 365

Microsoft's Office 365 platform supports DMARC (Domain-based Message Authentication, Reporting, and Conformance).  The complete Microsoft guide is listed here.The starting point is to review the SPF and DKIM settings. We would also recommend Microsoft's guide - Set up SPF in Office 365 to help prevent spoofing. How your SPF record is formatted depends on if whether…
Vaughn Talbert
21 March 2019