Now that you are finished configuring your unit settings, go to the domain registrar's website to update your DNS information. Edit your SPF report. Inside the entry, incorporate the IP deal with that you famous in phase 1. The concluded string seems to be much like the following example: https://zionreozj.prublogger.com/26425067/how-much-you-need-to-expect-you-ll-pay-for-a-good-linux-postfix-mail-server-setup