Miami Email / Verify a received Gmail message is DMARC-compliant

Objective

• To provide instruction on determining if a received email message passed DMARC

User

• Miami University Student, Staff, or Faculty

Scope

• Domain-based Message Authentication, Reporting & Conformance (DMARC) is being implemented by IT Services to better protect the MiamiOH.edu domain from unauthorized use by phishers and spoofers, thereby protecting Miami’s users and brand. DMARC verification uses information in email headers to verify a sender's authenticity

Environment

• 10262: Gmail (email, e-mail)
  • Gmail web interface

Instructions 

1. Open the email message in question in Gmail
2. Click the action  menu to the right of the Reply button
3. Select Show original
4. At the top of the resulting window under Original Message, you should be able to see three Pass or Fail checks for SPF, DKIM, and DMARC — all three must show PASS in order for the message to be DMARC-compliant