Bypass ATP Attachment Processing – PSAT (Educate)

QuestionHow do I bypass ATP attachment processing?

AnswerBelow are the steps to set up a mail flow rule to bypass ATP attachment processing:

  1. Create a new mail flow rule in your Exchange/Office Admin center
  2. Give the rule a name (i.e. Bypass ATP Attachment Processing)
  3. Click more options
  4. Apply this rule if – See Safelisting Guide to locate the IP addresses of the Phishing Mail Gateways for your Environment
  5. Set the message header: X-MS-Exchange-Organization-SkipSafeAttachmentProcessing to the value: 1
  6. Save your new rule