1. Go to Office 365 Admin Center then click on Security then Policies and Rules (https://security.microsoft.com/securitypoliciesandrules)

2. Click Threat Policies then Anti-Spam

3. Click Connection filter policy (Default) then click Edit connection filter policy

4. Add the IP Address below to Whitelist

  • 109.169.81.206

5. Click Save then close


This will make sure that our messages will be bypassed by the Clutter and Spam Filtering.

Follow these steps:

  1. Navigate to  https://admin.exchange.microsoft.com/#/ and login with your Office 365 Admin credentials.
  1. Select Mail flow-> Rules on the left hand side menu bar. (https://admin.exchange.microsoft.com/#/transportrules)
  2. Name the rule.
  3. Select More options
  4. Add the condition Apply this rule if....
  5. Select The sender and click IP address is in any of these ranges or exactly matches.
  6. Fill in our IP address

•           109.169.81.206

then confirm by clicking OK.

  1. Expand the Do the following dropdown, click Modify the message properties then Set a Message Header.
  2. Select the *Enter text... button and set the message to:

Set the message header "X-MS-Exchange-Organization-BypassClutter" to the value "true".
Note: Both commands are case-sensitive.

  1. Next under Do the following select Modify the message properties. Click Set the spam confidence level (SCL) to... and choose Bypass Spam Filtering.
  2. Finish by clicking Save.