To blacklist a specific email or domain from the spam filter and make those emails marked as spam, do the following:
Mark Email as Spam #
Locate the “Spam Filter/Spamassassin” link in the panel:
![](https://know.cynderhost.com/wp-content/uploads/2020/12/image-20.png)
![](https://know.cynderhost.com/wp-content/uploads/2020/12/image-19.png)
Then blacklist the email or domain in question with the following steps:
cPanel
Click on the Advanced Configuration link:
![](https://know.cynderhost.com/wp-content/uploads/2020/12/image-22.png)
Edit the Blacklist:
![](https://know.cynderhost.com/wp-content/uploads/2020/12/image-25.png)
Add a new directive and enter the email in question. Enter the full email (example@example.com) or a wildcard (*@example.com).
![](https://know.cynderhost.com/wp-content/uploads/2020/12/image-26.png)
Click “Update Blacklist”
DirectAdmin
Enter the email or domain in question in the “Blocked E-mail” section – enter the full email (example@example.com) or a wildcard (*@example.com).
![](https://know.cynderhost.com/wp-content/uploads/2020/12/image-27.png)
Reject the Email #
To reject an email address or domain outright, find the “Filters” section in the panel.
![](https://know.cynderhost.com/wp-content/uploads/2020/12/image-28.png)
![](https://know.cynderhost.com/wp-content/uploads/2020/12/image-29.png)
Click “Manage Filters” if applicable, and create a new filter:
![](https://know.cynderhost.com/wp-content/uploads/2020/12/image-30.png)
![](https://know.cynderhost.com/wp-content/uploads/2020/12/image-31.png)
Select the criteria for blocking an email. To block a specific domain or address, choose the “Domain” or “Email” field and enter the domain or email and click Update/Create.
![](https://know.cynderhost.com/wp-content/uploads/2020/12/image-32.png)
![](https://know.cynderhost.com/wp-content/uploads/2020/12/image-33.png)
Use the “Contains” matching to block a domain.
You can also choose the action you want to take:
![](https://know.cynderhost.com/wp-content/uploads/2020/12/image-34.png)
![](https://know.cynderhost.com/wp-content/uploads/2020/12/image-35.png)