ATP Bypass Rules

ATP Link Bypass Rule

The steps below explain how to set up a mail flow rule to bypass ATP link processing:

1. Create a new mail flow rule in your Exchange/Office Admin center.
2. Name the rule something along the lines of Bypass ATP Links
3. Click more options.
4. From the Apply this rule if….drop-down menu, select Senders IP address is in the range…
5. Enter our IP addresses. Please see our full list of IPs here.
6. From the Do the following…drop-down menu, select Set the message header…and then to this value....
   • X-MS-Exchange-Organization-SkipSafeLinksProcessing
   • 1
• Set the message header to:
• Set the value to:
7. Save your new rule.

ATP Attachment Bypass Rule

The steps below explain how 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. Name the rule something along the lines of Bypass ATP Attachments
3. Click more options.
4. From the Apply this rule if….drop-down, select Senders IP address is in the range…
5. Enter our IP addresses. Please see our full list of IPs here.
6. From the Do the following…drop-down, select Set the message header... and then To this value....
   • Set the message header to: 
     • X-MS-Exchange-Organization-SkipSafeAttachmentProcessing
   • Set the value to:
     • 1

7. Save your new rule.