GFI MailEssentials can be configured to block messages that contain remote images.
When this feature is enabled, GFI MailEssentials blocks all messages that contain remote images with a minimum HTML body size of 512 characters or according to the value configured. This article provides instructions to configure this feature.
To configure these options follow the steps below:
- Log in to GFI MailEssentials with administrative credentials.
- Navigate to Anti-spam > Anti-Spam Filters > Header Checking > General.
- Check the option Check if email contains remote images only.
- Optionally edit the value in the textbox Minimum HTML body size.