- Plesk for Linux
What are spam protection general recommendations?
- Remove 127.0.0.0 / 32 via the tab Plesk > Tools & Settings > Mail Server Settings > White List.
Switch on limitations on outgoing email messagesoption under Plesk > Tools & Settings > Mail Server Settings .
- In case of spam is being sent using php scripts, please check following article:
- Set more secure passwords for all mail accounts.