Man pages matching name postfix-policyd-spf-perl in section 1:

postfix-policyd-spf-perl.1.en	debian 10 / postfix-policyd-spf-perl
postfix-policyd-spf-perl.1.en	debian 11 / postfix-policyd-spf-perl
postfix-policyd-spf-perl.1.en	debian 12 / postfix-policyd-spf-perl