Phishproof: Microsoft ATP Bypass Rules

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. Give the rule a name such as "Bypass ATP Links"
3. Click More Options.
4. From the Apply this rule if…. drop-down menu, select The senders then select IP address is in any of these ranges or exactly matches. 
5. Enter our IP addresses. 

• 69.72.47.208
• 69.72.47.209
• 69.72.47.21
• 69.72.47.210
• 69.72.47.211
• 69.72.47.3
• 69.72.47.30
• 69.72.47.31
• 69.72.47.56
• 159.135.234.148

6. From the Do the following… drop-down menu, select Modify the message properties... and then set a message header. 
   • Click the first *Enter text... link and set the message header to: 
     • X-MS-Exchange-Organization-SkipSafeLinksProcessing
     • Click the second *Enter text... link and set the value to: 1
7. Click Save.

Below 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 such as “Bypass ATP Attachments”
3. Click More Options.
4. From the Apply this rule if… drop-down, select The senders then select IP address is in any of these ranges or exactly matches. 
5. Enter our IP addresses. 

• 69.72.47.208
• 69.72.47.209
• 69.72.47.21
• 69.72.47.210
• 69.72.47.211
• 69.72.47.3
• 69.72.47.30
• 69.72.47.31
• 69.72.47.56
• 159.135.234.148

6. From the Do the following… drop-down, select Modify the message properties... and then set a message header.
   • Click the first *Enter text... link and set the message header to: 
     • X-MS-Exchange-Organization-SkipSafeAttachmentProcessing
     • Click the second *Enter text... link and set the value to: 1
7. Click Save.