For openSUSE Tumbleweed run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:Monex:various/openSUSE_Tumbleweed/home:Monex:various.repo
zypper refresh
zypper install python-pypolicyd-spf
For 15.5 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:Monex:various/15.5/home:Monex:various.repo
zypper refresh
zypper install python-pypolicyd-spf
For 15.4 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:Monex:various/15.4/home:Monex:various.repo
zypper refresh
zypper install python-pypolicyd-spf