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: