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In order to use The Email Laundry’s Recipient Verification the setting will also need to be applied to O365.

The Email Laundry will then reject any invalid recipients at the connection level of the Email Security Service.


Login to the O365 Admin Console
Navigate Admin > Admin Centers > Exchange



Step 1Step 2

 

 

 

Step 1


Under Mail Flow Click Accepted Domains

Select your domain and edit

Set your domain type to Internal Relay

 

If set to Authoritative – modify and save



 

 

 

 

 

 

Step 2


Add valid users to O365

**More information can be found here**

Click Next

Navigate back to Accepted Domains

Click Edit

Set domain type to Authoritative

Contact The Email Laundry Support to enable Recipient Verification



 

in Email Security Tags: O365

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