Product manual

GFI MailEssentials 7 Anti-Spam | 108
Screenshot 58: Directory Harvesting page
2. Enable/Disable Directory Harvesting and select the lookup method to use:
Option Description
Enable
directory
harvesting
protection
Enable/Disable Directory Harvesting.
Use native
Active
Directory
lookups
Select option if GFI MailEssentials is installed in Active Directory.
NOTE
When GFI MailEssentials is behind a firewall, the Directory Harvesting feature might not be able to
connect directly to the internal Active Directory because of Firewall settings. Use LDAP lookups to
connect to the internal Active Directory of your network and ensure to enable default port
389/636 on your Firewall.