Product manual

GFI MailEssentials 7 Anti-Spam | 118
Screenshot 64: GFI MailEssentials Anti-Spoofing filter
2. Select Enable Anti-Spoofing to enable Anti-Spoofing filter.
3. In the SMTPServer: field, provide the SMTPserver where GFI MailEssentials checks for email
recipient addresses. Also provide a description for the server in the Description: field.
NOTE
The SMTPServer field supports the following types of entry:
A single IPAddress
A CIDR range (for example, 192.0.2.1/24)
4. Click Add SMTP Server to save SMTPserver details.
NOTE
To remove previously added SMTPservers, select an SMTPserver from the Authorized
IPAddress list and click Remove Selected.