How to create/modify SPF record for a domain in Plesk?
By default, Plesk has the following SPF record preconfigured out-of-the-box:
example.com TXT v=spf1 +a +mx +a:server.example.com -all
The parts of this record mean the following:
||The domain uses SPF of the version 1.|
||All the hosts from the “A” records are authorized to send mail.|
||All the hosts from the “MX” records are authorized to send mail.|
||The domain server.example.com is authorized to send mail. Mind that the hostname should be resolvable.|
||All other domains are not authorized to send mail.|
If it is necessary to modify the record, use the steps below:
Go to Domains > example.com > DNS Settings.
Click on the domain's name in the record and modify the record as required:
Read more about the syntax of SPF DNS records. The policy notation is available at RFC7208.