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Login to the O365 Admin Console

Navigate Admin > Admin Centers > Exchange



Step 1

 

 

 

 

Step 1


Under Mail Flow click Connector

Add (+) New Connector

 



 

Step 2

 

 

 

 

 

 

 

Step 2


Select Mail Flow Scenario

From Partner Organization to Office 365


 


 

 

 

Step 3

 

 

 

 

 

Step 3


Click Next

Name the connector

Click Next

Select Use the Sender’s Domain



 

Step 4

 

 

 

 

 

Step 4


Click Next

Specify all connections using *



 

 

Step 5

 

 

 

 

 

 

Step 5


Click Next

Leave the default TLS option in place

The Email Laundry will send over Opportunistic TLS

Check Reject Mail Messages if They Aren’t Sent from Within this IP Address Range

Click Add (+)

Add in The Email Laundry Delivery IP Ranges

**Please note The Email Laundry has region specific delivery ranges. They can be found in the customer set-up mail**



 


Click Next – Review your settings – Click Save



 

in Email Security Tags: O365

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