Man pages matching name mail::spamassassin::plugin::spamcop in section 3pm:

Mail::SpamAssassin::Plugin::SpamCop.3pm.en	debian 10 / spamassassin
Mail::SpamAssassin::Plugin::SpamCop.3pm.en	debian 11 / spamassassin
Mail::SpamAssassin::Plugin::SpamCop.3pm.en	debian 12 / spamassassin