1. Go to Inbound Protection > Sender Filter > Blocked Senders.

   

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2. Add the specific email address or the entire domain.

   Valid formats:
   *@example.com
   *@server.example.com
   *@*.example.com

   Invalid formats:
   *@*
   *@* .com
   name@*.example.com

For more information, check the full documentation here: Configuring Approved and Blocked Sender Lists

1. Log on to the HES console.
2. Go to Inbound Protection > Policy.
3. Click Add.

   

4. On the Basic Information tab, enter the name of the policy on the Name field.

   

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5. On the Recipients and Senders tab, under the Recipients section, select the specific domain(s) and/or users you would like to apply the Policy.

   

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6. On the same tab, under the Senders section, select the specific domain(s) and/or user you would like to apply the Blocked Policy.

   

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7. Go to the Scanning Criteria tab then select No Criteria.

   

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8. Go to the Actions tab. Under the Intercept section, select Delete entire message.

    

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9. Click Submit. 

    

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10. A pop-up window will appear. Click OK.

     

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