SPF documents are TXT information that are additional to DNS Zones to be able to specify the servers from which emails is usually sent. Spot checkmarks next to any two IP addresses after which click the "Make Nameservers for" button, deciding on the domain you wish the nameservers for. This https://cloudflarefreessl89998.ampedpages.com/rumored-buzz-on-postal-smtp-setup-53560145