We advise including an SPF history in order to avoid having messages flagged as spam. For anyone who is sending from the static IP address, add it on your SPF file within your domain registrar's DNS options as follows: Location checkmarks close to any two IP addresses and after that https://directadmininstall99999.idblogz.com/26604293/the-smart-trick-of-linux-postfix-mail-server-setup-that-no-one-is-discussing