HORNET SECURITY INBOUND CONFIGURATION FOR OFFICE 365


1.) Go to Exchange  admin center -> mail flow

Office 365 Admin Center -> Exchange






2.) Click on + icon to add new rule


3.) From the drop down, select Bypass spam filter




4.) Name the rule as Bypass Office 365 Filtering

5.) In the dropdown, Apply this rule if :     

        a.) Select the sender




         b.) then IP address is in any of these ranges or exactly matches



         c.) Add this Hornet Security IP ranges as below.

             83.246.65.0/24
             94.100.128.0/20
             185.140.204.0/22
             173.45.18.0/24




6.) Save the rule. :)