The Plesk Email Security extension can be found as installed in Plesk > Extensions > My Extensions.
- The received spam messages are not blocked, they are forwarded to the Spam folder of the mailbox or just marked with the
The Plesk Email Security extension is not configured to block the spam messages.
Apply one of the solutions below:
For the specific mailbox
For all mailboxes on the server
- Log into Plesk.
- Go to Tools & Settings > Plesk Email Security > Server Settings.
- Set Block for the Spam action * option:
- Scroll down and press the Save button to apply the changes.