How to enable Apache SpamAssassin in DirectAdmin?
1. Log in to your DirectAdmin Account.
2. In the E-mail Manager section, click on the SpamAssassin Setup icon or type SpamAssassin Setup in the navigation filter box, and the option will appear. Click on it.
3. On the right-hand side, click the Enable SpamAssassin button.
SpamAssassin will be enabled, and you can configure it as per your need.