Description


If you would like your incoming emails to be only filtered by MPmail or Avanan, you need to disable the Microsoft 365 spam filter. Otherwise, the Microsoft 365 spam filter could also classify incoming emails to your domains as spam and quarantine them. Since MPmail or Avanan are filtering your incoming emails for spam, the Microsoft spam filter is not required.


Requirements


Microsoft 365 Admin Access


The Process

1. Log in to admin.microsoft.com with your administrative credentials.            

2. Under Admin Centers, select the item Security.


3. Click on the menu item Policies & rules on the left side. 

Figure: Select menu item


4. Click on Threat policies 

Figure: Threat policies select


5. Click on Anti-spam under Policies.                

Figure: Anti-spam select



6. Click on Connection filter policy (Default).                

Figure: Connection filter policy (Default) select



7. Click on Edit connection filter policy.                
Figure: Edit policy




8. For MPmail, enter the following IP addresses in the input field under Always allow messages from the following IP addresses or address range:.

83.246.65.0/24       94.100.128.0/24      94.100.129.0/24     94.100.130.0/24
94.100.131.0/24      94.100.132.0/24      94.100.133.0/24     94.100.134.0/24
94.100.135.0/24      94.100.136.0/24      94.100.137.0/24     94.100.138.0/24
94.100.139.0/24      94.100.140.0/24      94.100.141.0/24     94.100.142.0/24
94.100.143.0/24      173.45.18.0/24       185.140.204.0/24    185.140.205.0/24
185.140.206.0/24     185.140.207.0/24     52.62.125.178       52.62.114.130
52.62.123.207        52.62.108.212


For Avavan, enter the following IP addresses in the input field under Always allow messages from the following IP addresses or address range:

 

35.174.145.124       15.222.110.90        52.212.19.177       13.211.69.231


9. Click on Save.