Never block multiple emails by message sender domains in Outlook

Tips:

1. The blocked senders will be added to the Never Block Sender Domains rule. You can view and edit the rule by clicking  Kutools > Junk > Manage Junk Email Filter.
2. You can quickly add the sender of an email into the Never Block Sender Domains list by right-clicking on the email, andselecting Junk (Kutools) > Never Block Sender Domains. See screenshot:
   

Note: Once the rule is established, it will only affect messages received thereafter. To apply it to prior emails, navigate to the Kutools tab and click Junk > Run Junk Rules Now.

The method described above instructs you on how to never block domains, which results in the creation of the Never Block Sender Domains rule. This section is going to show you how to manage the existing rules. Please do as follows.

1. Click Kutools > Junk > Manage Junk Email Filter to open the Junk dialog box.

2. When the Junk dialog pops up, click the Never Block Sender Domains rule in the list box, then you can manage the sender domains by clicking the underlined text in the Rule Description box.

3. In the popped-out Text Contains dialog box, you can add new sender domains, edit the original domains or delete the unwanted domains as you need. If you want to add other domains to the Never Block Sender Domains rule, please do as this: 

• Click New button to open the Search Text dialog box;
• Type the domain that you want to never block into the New Search Text box;
• Click Add button to add it into the never Search list box;
• Click OK.
  

4. Then, it returns to the Text Contains dialog box, and the new sender domain has been added into the Text list box. Click OK,  see screenshot:

5. It returns to the Junk dialog, where you can observe that the underlined sender domains have been updated based on your changes. Ensure that the Never Block Sender Domain rule is still ticked, then click OK to finalize the settings and close the dialog.

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Demo: