In Spam Expert there is a feature called Train Spam. This feature allows you to train the system from Spam Expert to improve the detection of spam emails that were previously categorized as NOT spam emails. Here are the steps.
1. Make sure you can do login ke Spam Expert panel.
2. Access the Train Spam menu from the General menu.
3. Select an email file that was previously categorized as not Spam so that it can be trained by Spam Expert.
Email files that can be uploaded are only .eml or .msg extensions.
You must first export the email to the corresponding extension.
4. Then click Upload to start the Train Spam process.