If you want GFI email security to send emails on your behalf then you need to add this into your DNS. To set up SPF and DKIM for GFI, please follow the steps given below:
SPF:
To authorize GFI hosted email security and spam filtering service to send emails on your behalf you will have to include it in your SPF record. The SPF record mechanisms used by GFI are shown below.
- include:smtproutes.com &
- include:smtpout.com
DKIM:
For more information on enabling DKIM please contact GFI support