Man pages matching name inn.conf in section 5:

inn.conf.5.en	debian 10 / inn
inn.conf.5.en	debian 10 / inn2-inews
inn.conf.5.en	debian 11 / inn
inn.conf.5.en	debian 11 / inn2-inews
inn.conf.5.en	debian 12 / inn
inn.conf.5.en	debian 12 / inn2-inews
inn.conf.5.en	debian 13 / inn
inn.conf.5.en	debian 13 / inn2-inews