install spf record on cpanel server

To install SPF Record on Cpanel server, run

/usr/local/cpanel/bin/spf_installer USERNAME

Example

[[email protected] ~]# /usr/local/cpanel/bin/spf_installer bizhat
[[email protected] ~]#

This will add a new line to end of your DNS Zone file.

yourdomain.com. IN TXT "v=spf1 a mx ?all"

For non-cpanel servers, refer

http://old.openspf.org/wizard.html