Man pages matching name sendmail::milter in section 3pm:

Sendmail::Milter.3pm.en	debian 10 / libsendmail-milter-perl
Sendmail::Milter.3pm.en	debian 10 / libsendmail-pmilter-perl
Sendmail::Milter.3pm.en	debian 11 / libsendmail-milter-perl
Sendmail::Milter.3pm.en	debian 11 / libsendmail-pmilter-perl
Sendmail::Milter.3pm.en	debian 12 / libsendmail-milter-perl
Sendmail::Milter.3pm.en	debian 12 / libsendmail-pmilter-perl