How to add an RBL list to GFI MailEssentials

Answer

To configure IP DNS Blocklist, follow the steps below.

1. Open the GFI MailEssentials Configuration console
2. Expand Anti-Spam and then Anti-Spam Filters
3. Select IP DNS Blocklist
4. Inside the empty text box under IP DNS, enter the following desired DNSBL List's Address
5. Select Add IP DNS Blocklist

• Ensure that the DNS blocklist is still valid and can perform successful reverse look ups