Whitelist affects only Anti-Spam filters and not email security and content filtering.
![gfi mailessentials blacklist gfi mailessentials blacklist](https://xpertstec.com/wp-content/uploads/2019/09/gfi-mailessentials-email-blacklist-600x292.jpg)
![gfi mailessentials blacklist gfi mailessentials blacklist](https://www.qweas.com/downloads/security/anti-spam-anti-spy-tools/scr-gfi-mailessentials-for-exchange-smtp.png)
Using the Auto Whitelist feature is highly recommended since this eliminates a high percentage of false positives.The Whitelist and Auto Whitelist features are enabled by default.