# /usr/local/psa/bin/mailserver --help | grep spf
--update-spf Update SPF (Sender Policy Framework)
--info or -i <options|black-list|white-list|spf|webmails>
spf properties or available webmail
-spf-status <true|false> Enables or disables SPF spam
-spf-behavior <spf_behavior> Sets the behavior of SPF.(From 1 to
-spf-ignore-dns-error <true|false> Enables or disables ignoring of DNS
-spf-rules <spf_rules> Sets SPF rules which will be carried
-spf-guess <spf_guess> Sets SPF rules which will be carried
-spf-exp <spf-exp> Sets the line which will receive the