How to add an email address/domain/top-level domain to the server-wide blacklist in Plesk

1. Log in to Plesk.

2. Install the Plesk Email Security extension (See this KB article for installation instructions).

3. Go to Tools & Settings > Plesk Email Security.

4. In the Blacklist field, specify the email address, emails from which will be marked as spam.

   Note:
   - To specify a domain, use @example.com
   - To specify a top-level domain, use @.com
   

   
   
   
   

5. Click Save.

    

Alternatively:

1. Go to Tools & Settings > Spam filter > Black List.

2. Click Add Domain.

   
   
   
   

3. Specify the domain name, emails from which will be marked as spam.

   
   
   
   

4. Click OK.

1. Log in to Plesk.

2. Go to Tools & Settings > Spam filter > Black List.

3. Click Add Domain.

   
   
   
   

4. Specify the email address, emails from which will be marked as spam.

   Note:
   - To specify a domain, use *@example.com
   - To specify a top-level domain, use *@*.com
   

   
   
   
   

5. Click OK.

For Plesk on Linux

1. Connect to a Plesk server via SSH.

2. Add one or multiple domains (separated by comma):

   # plesk bin mailserver --add-to-black-list example.com

3. View blacklisted domains, if needed:

   # plesk bin mailserver --info black-list

For Plesk on Windows

1. Connect to a Plesk server via RDP.

2. Start a command prompt as an Administrator.

3. Use one of these commands:

   • to remove unwanted emails from a particular email address:

     C:\> plesk bin mailserver --add-to-black-list spam@example.com -action delete

   • to mark unwanted emails as spam from a particular email address:

     C:\> plesk bin mailserver --add-to-black-list spam@example.com -action mark_spam

     Note:
     - To specify a domain, use *@example.com
     - To specify a top-level domain, use *@*.com