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EOP / Office 365: Block Recipient Domain

This blog is explaining the steps to block the Recipient Domain in Exchange Online Protection

The following steps will help in blocking recipient domain

Steps:

  1. Expand the mail flowàClick Rules then click on + sign

     

  2. Now you will see a list of possible rules. Select Create a new rule as shown below.

3. Give the name to this rule and click on more options to expand more options then Click on “Apply this rule if” then select “The Recipient” “Domain is”.

4. In the Specify Domain window, add the domain which you wish to block then click on + then Click ok.

5. Now all domain will show next to the rule condition.

      6. In Do the following action select Block the message or other choice of action. Now we get 3 options. I will select “Delete the message without notifying anyone” to avoid queue building for spams.

 

7. Set the priority of the rule.

8. Click save.

To test this rule send an email to blocked domain from internet sender email addresses and do the message tracking.

 

Prabhat Nigam

Microsoft MVP | Exchange Server

Team@MSExchangeGuru


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